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22102022212 = 2215307360979
BaseRepresentation
bin10100100101011000…
…100001100001000100
32010001022212001122021
4110211120201201010
5330231104202322
614053055012524
71411465042354
oct244530414104
963038761567
1022102022212
119412019466
124349b0a144
13211302306a
1410d953ab64
158955824c7
hex525621844

22102022212 has 12 divisors (see below), whose sum is σ = 38681172880. Its totient is φ = 11050258536.

The previous prime is 22102022209. The next prime is 22102022219. The reversal of 22102022212 is 21222020122.

It is not an unprimeable number, because it can be changed into a prime (22102022219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119262 + ... + 241717.

Almost surely, 222102022212 is an apocalyptic number.

It is an amenable number.

22102022212 is a deficient number, since it is larger than the sum of its proper divisors (16579150668).

22102022212 is a wasteful number, since it uses less digits than its factorization.

22102022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376290 (or 376288 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22102022212 its reverse (21222020122), we get a palindrome (43324042334).

The spelling of 22102022212 in words is "twenty-two billion, one hundred two million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 15307 30614 61228 360979 721958 1443916 5525505553 11051011106 22102022212