22452231555 has 48 divisors (see below), whose sum is σ = 41933245536. Its totient is φ = 11047495680.

The previous prime is 22452231547. The next prime is 22452231569. The reversal of 22452231555 is 55513225422.

22452231555 is a `hidden beast` number, since 2 + 24 + 52 + 2 + 31 + 555 = 666.

It is not a de Polignac number, because 22452231555 - 2³ = 22452231547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1208164 + ... + 1226606.

It is an arithmetic number, because the mean of its divisors is an integer number (873609282).

Almost surely, 2^22452231555 is an apocalyptic number.

22452231555 is a deficient number, since it is larger than the sum of its proper divisors (19481013981).

22452231555 is a wasteful number, since it uses less digits than its factorization.

22452231555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20548 (or 20545 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

Adding to 22452231555 its reverse (55513225422), we get a palindrome (77965456977).

The spelling of 22452231555 in words is "twenty-two billion, four hundred fifty-two million, two hundred thirty-one thousand, five hundred fifty-five".