22221551122052 has 12 divisors (see below), whose sum is σ = 38889627712320. Its totient is φ = 11110228918536.

The previous prime is 22221551122049. The next prime is 22221551122063. The reversal of 22221551122052 is 25022115512222.

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, 136569152 + ... + 136731767.

It is an arithmetic number, because the mean of its divisors is an integer number (3240802309360).

Almost surely, 2^{22221551122052} is an apocalyptic number.

It is an amenable number.

22221551122052 is a deficient number, since it is larger than the sum of its proper divisors (16668076590268).

22221551122052 is a wasteful number, since it uses less digits than its factorization.

22221551122052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273321250 (or 273321248 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 22221551122052 its reverse (25022115512222), we get a palindrome (47243666634274).

The spelling of 22221551122052 in words is "twenty-two trillion, two hundred twenty-one billion, five hundred fifty-one million, one hundred twenty-two thousand, fifty-two".