22604223420 has 96 divisors (see below), whose sum is σ = 72749275200. Its totient is φ = 5819933952.

The previous prime is 22604223413. The next prime is 22604223427. The reversal of 22604223420 is 2432240622.

It is a happy number.

22604223420 is a `hidden beast` number, since 2 + 2 + 604 + 2 + 2 + 34 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (22604223413) and next prime (22604223427).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22604223427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 706059 + ... + 737378.

It is an arithmetic number, because the mean of its divisors is an integer number (757804950).

Almost surely, 2^22604223420 is an apocalyptic number.

22604223420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22604223420 is an abundant number, since it is smaller than the sum of its proper divisors (50145051780).

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

22604223420 is a wasteful number, since it uses less digits than its factorization.

22604223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443484 (or 1443476 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The spelling of 22604223420 in words is "twenty-two billion, six hundred four million, two hundred twenty-three thousand, four hundred twenty".