22455130043220 has 96 divisors (see below), whose sum is σ = 72840750705408. Its totient is φ = 5062291540992.

The previous prime is 22455130043209. The next prime is 22455130043239. The reversal of 22455130043220 is 2234003155422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366165199 + ... + 366226518.

It is an arithmetic number, because the mean of its divisors is an integer number (758757819848).

Almost surely, 2^{22455130043220} is an apocalyptic number.

22455130043220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22455130043220 is an abundant number, since it is smaller than the sum of its proper divisors (50385620662188).

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

22455130043220 is a wasteful number, since it uses less digits than its factorization.

22455130043220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732391809 (or 732391807 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 22455130043220 its reverse (2234003155422), we get a palindrome (24689133198642).

The spelling of 22455130043220 in words is "twenty-two trillion, four hundred fifty-five billion, one hundred thirty million, forty-three thousand, two hundred twenty".