22404434420 has 48 divisors (see below), whose sum is σ = 48222820800. Its totient is φ = 8738484480.

The previous prime is 22404434417. The next prime is 22404434431. The reversal of 22404434420 is 2443440422.

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, 1780511 + ... + 1793049.

It is an arithmetic number, because the mean of its divisors is an integer number (1004642100).

Almost surely, 2^22404434420 is an apocalyptic number.

22404434420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22404434420 is an abundant number, since it is smaller than the sum of its proper divisors (25818386380).

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

22404434420 is a wasteful number, since it uses less digits than its factorization.

22404434420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14768 (or 14766 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 22404434420 its reverse (2443440422), we get a palindrome (24847874842).

The spelling of 22404434420 in words is "twenty-two billion, four hundred four million, four hundred thirty-four thousand, four hundred twenty".