22551531424 has 48 divisors (see below), whose sum is σ = 47654050248. Its totient is φ = 10467090432.

The previous prime is 22551531397. The next prime is 22551531439. The reversal of 22551531424 is 42413515522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22087904400 + 463627024 = 148620^2 + 21532^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 22551531424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244227 + ... + 323650.

Almost surely, 2^22551531424 is an apocalyptic number.

It is an amenable number.

22551531424 is an abundant number, since it is smaller than the sum of its proper divisors (25102518824).

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

22551531424 is a wasteful number, since it uses less digits than its factorization.

22551531424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567977 (or 567969 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The spelling of 22551531424 in words is "twenty-two billion, five hundred fifty-one million, five hundred thirty-one thousand, four hundred twenty-four".