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22212021222013 = 719237261203407
BaseRepresentation
bin1010000110011101000111…
…01000100111101001111101
32220122110002221122101121011
411003032203220213221331
510402410204413101023
6115124021153435221
74451523410126320
oct503164350475175
986573087571534
1022212021222013
117094079a06047
1225a8a08b6bb11
13c5177a51c49c
1456b0d35727b7
15287bbb84b50d
hex1433a3a27a7d

22212021222013 has 16 divisors (see below), whose sum is σ = 27883021086720. Its totient is φ = 17252619292656.

The previous prime is 22212021221983. The next prime is 22212021222043. The reversal of 22212021222013 is 31022212021222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22212021221983) and next prime (22212021222043).

It is a cyclic number.

It is not a de Polignac number, because 22212021222013 - 229 = 22211484351101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212021222043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3630598645 + ... + 3630604762.

It is an arithmetic number, because the mean of its divisors is an integer number (1742688817920).

Almost surely, 222212021222013 is an apocalyptic number.

22212021222013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22212021222013 is a deficient number, since it is larger than the sum of its proper divisors (5670999864707).

22212021222013 is a wasteful number, since it uses less digits than its factorization.

22212021222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261203456.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22212021222013 its reverse (31022212021222), we get a palindrome (53234233243235).

The spelling of 22212021222013 in words is "twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred twenty-two thousand, thirteen".

Divisors: 1 7 19 23 133 161 437 3059 7261203407 50828423849 137962864733 167007678361 965740053131 1169053748527 3173145888859 22212021222013