22404620424 has 32 divisors (see below), whose sum is σ = 56121624000. Its totient is φ = 7453530432.

The previous prime is 22404620423. The next prime is 22404620429. The reversal of 22404620424 is 42402640422.

It is a junction number, because it is equal to n+sod(n) for n = 22404620391 and 22404620400.

It is not an unprimeable number, because it can be changed into a prime (22404620423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904804 + ... + 929235.

It is an arithmetic number, because the mean of its divisors is an integer number (1753800750).

Almost surely, 2^22404620424 is an apocalyptic number.

22404620424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22404620424 is an abundant number, since it is smaller than the sum of its proper divisors (33717003576).

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

22404620424 is a wasteful number, since it uses less digits than its factorization.

22404620424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834557 (or 1834553 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The spelling of 22404620424 in words is "twenty-two billion, four hundred four million, six hundred twenty thousand, four hundred twenty-four".