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22202211012 = 2231850184251
BaseRepresentation
bin10100101011010110…
…101101101011000100
32010022022101011211120
4110223112231223010
5330432231223022
614111034233540
71414122452112
oct245326555304
963268334746
1022202211012
119463629823
1243775858b0
13212aa01787
14110897aab2
1589e272d5c
hex52b5adac4

22202211012 has 12 divisors (see below), whose sum is σ = 51805159056. Its totient is φ = 7400737000.

The previous prime is 22202211011. The next prime is 22202211013. The reversal of 22202211012 is 21011220222.

It is an interprime number because it is at equal distance from previous prime (22202211011) and next prime (22202211013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×222022110123 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22202210982 and 22202211000.

It is not an unprimeable number, because it can be changed into a prime (22202211011) 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, 925092114 + ... + 925092137.

It is an arithmetic number, because the mean of its divisors is an integer number (4317096588).

Almost surely, 222202211012 is an apocalyptic number.

It is an amenable number.

22202211012 is an abundant number, since it is smaller than the sum of its proper divisors (29602948044).

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

22202211012 is a wasteful number, since it uses less digits than its factorization.

22202211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850184258 (or 1850184256 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22202211012 its reverse (21011220222), we get a palindrome (43213431234).

The spelling of 22202211012 in words is "twenty-two billion, two hundred two million, two hundred eleven thousand, twelve".

Divisors: 1 2 3 4 6 12 1850184251 3700368502 5550552753 7400737004 11101105506 22202211012