22454102420 has 48 divisors (see below), whose sum is σ = 48218042880. Its totient is φ = 8779378944.

The previous prime is 22454102399. The next prime is 22454102443. The reversal of 22454102420 is 2420145422.

It is a self number, because there is not a number n which added to its sum of digits gives 22454102420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745697 + ... + 775223.

It is an arithmetic number, because the mean of its divisors is an integer number (1004542560).

Almost surely, 2^22454102420 is an apocalyptic number.

22454102420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22454102420 is an abundant number, since it is smaller than the sum of its proper divisors (25763940460).

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

22454102420 is a wasteful number, since it uses less digits than its factorization.

22454102420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30392 (or 30390 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22454102420 its reverse (2420145422), we get a palindrome (24874247842).

The spelling of 22454102420 in words is "twenty-two billion, four hundred fifty-four million, one hundred two thousand, four hundred twenty".