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22202052102 = 2331921639427
BaseRepresentation
bin10100101011010110…
…000110111000000110
32010022022002002212000
4110223112012320012
5330432211131402
614111031010130
71414121220606
oct245326067006
963268062760
1022202052102
11946353039a
124377509946
13212a977349
141108938c06
1589e240c1c
hex52b586e06

22202052102 has 32 divisors (see below), whose sum is σ = 51934627200. Its totient is φ = 7011174024.

The previous prime is 22202052101. The next prime is 22202052107. The reversal of 22202052102 is 20125020222.

It is a super-2 number, since 2×222020521022 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202052101) 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, 10818688 + ... + 10820739.

It is an arithmetic number, because the mean of its divisors is an integer number (1622957100).

Almost surely, 222202052102 is an apocalyptic number.

22202052102 is an abundant number, since it is smaller than the sum of its proper divisors (29732575098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22202052102 is a wasteful number, since it uses less digits than its factorization.

22202052102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21639457 (or 21639451 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 22202052102 its reverse (20125020222), we get a palindrome (42327072324).

The spelling of 22202052102 in words is "twenty-two billion, two hundred two million, fifty-two thousand, one hundred two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 21639427 43278854 64918281 129836562 194754843 389509686 411149113 584264529 822298226 1168529058 1233447339 2466894678 3700342017 7400684034 11101026051 22202052102