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22012020022 = 2311492382769
BaseRepresentation
bin10100100000000001…
…001100010100110110
32002211001111110211211
4110200001030110312
5330040034120042
614040121552034
71406323040326
oct244001142466
962731443754
1022012020022
119376236493
12432394561a
1320ca4a0125
1410cb5cd286
1588c705017
hex52004c536

22012020022 has 16 divisors (see below), whose sum is σ = 34311888000. Its totient is φ = 10579489920.

The previous prime is 22012019999. The next prime is 22012020029. The reversal of 22012020022 is 22002021022.

It is a junction number, because it is equal to n+sod(n) for n = 22012019984 and 22012020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012020029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182147 + ... + 1200622.

It is an arithmetic number, because the mean of its divisors is an integer number (2144493000).

Almost surely, 222012020022 is an apocalyptic number.

22012020022 is a deficient number, since it is larger than the sum of its proper divisors (12299867978).

22012020022 is a wasteful number, since it uses less digits than its factorization.

22012020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382951.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22012020022 its reverse (22002021022), we get a palindrome (44014041044).

The spelling of 22012020022 in words is "twenty-two billion, twelve million, twenty thousand, twenty-two".

Divisors: 1 2 31 62 149 298 4619 9238 2382769 4765538 73865839 147731678 355032581 710065162 11006010011 22012020022