22551231430 has 128 divisors (see below), whose sum is σ = 51806926080. Its totient is φ = 6874398720.

The previous prime is 22551231427. The next prime is 22551231481. The reversal of 22551231430 is 3413215522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15226290 + ... + 15227770.

It is an arithmetic number, because the mean of its divisors is an integer number (404741610).

Almost surely, 2^22551231430 is an apocalyptic number.

22551231430 is an abundant number, since it is smaller than the sum of its proper divisors (29255694650).

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

22551231430 is a wasteful number, since it uses less digits than its factorization.

22551231430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22551231430 its reverse (3413215522), we get a palindrome (25964446952).

The spelling of 22551231430 in words is "twenty-two billion, five hundred fifty-one million, two hundred thirty-one thousand, four hundred thirty".