22200222002012 has 12 divisors (see below), whose sum is σ = 40895145793320. Its totient is φ = 10515894632496.

The previous prime is 22200222001957. The next prime is 22200222002029. The reversal of 22200222002012 is 21020022200222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146054092043 + ... + 146054092194.

It is an arithmetic number, because the mean of its divisors is an integer number (3407928816110).

Almost surely, 2^{22200222002012} is an apocalyptic number.

It is an amenable number.

22200222002012 is a deficient number, since it is larger than the sum of its proper divisors (18694923791308).

22200222002012 is a wasteful number, since it uses less digits than its factorization.

22200222002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292108184260 (or 292108184258 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22200222002012 its reverse (21020022200222), we get a palindrome (43220244202234).

The spelling of 22200222002012 in words is "twenty-two trillion, two hundred billion, two hundred twenty-two million, two thousand, twelve".