22245423320 has 32 divisors (see below), whose sum is σ = 50212141920. Its totient is φ = 8869735680.

The previous prime is 22245423311. The next prime is 22245423413. The reversal of 22245423320 is 2332454222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875876 + ... + 900915.

It is an arithmetic number, because the mean of its divisors is an integer number (1569129435).

Almost surely, 2^22245423320 is an apocalyptic number.

22245423320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22245423320 is an abundant number, since it is smaller than the sum of its proper divisors (27966718600).

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

22245423320 is a wasteful number, since it uses less digits than its factorization.

22245423320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777115 (or 1777111 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 22245423320 its reverse (2332454222), we get a palindrome (24577877542).

The spelling of 22245423320 in words is "twenty-two billion, two hundred forty-five million, four hundred twenty-three thousand, three hundred twenty".