22202440220424 has 64 divisors (see below), whose sum is σ = 55757546208000. Its totient is φ = 7367308659200.

The previous prime is 22202440220417. The next prime is 22202440220447. The reversal of 22202440220424 is 42402204420222.

It is a junction number, because it is equal to n+sod(n) for n = 22202440220391 and 22202440220400.

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, 16020724 + ... + 17351324.

It is an arithmetic number, because the mean of its divisors is an integer number (871211659500).

Almost surely, 2^{22202440220424} is an apocalyptic number.

22202440220424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22202440220424 is an abundant number, since it is smaller than the sum of its proper divisors (33555105987576).

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

22202440220424 is a wasteful number, since it uses less digits than its factorization.

22202440220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333758 (or 1333754 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22202440220424 its reverse (42402204420222), we get a palindrome (64604644640646).

The spelling of 22202440220424 in words is "twenty-two trillion, two hundred two billion, four hundred forty million, two hundred twenty thousand, four hundred twenty-four".