22402453920 has 384 divisors, whose sum is σ = 89230159872. Its totient is φ = 4588953600.

The previous prime is 22402453907. The next prime is 22402453939. The reversal of 22402453920 is 2935420422.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2619892 + ... + 2628428.

It is an arithmetic number, because the mean of its divisors is an integer number (232370208).

Almost surely, 2^22402453920 is an apocalyptic number.

22402453920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22402453920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44615079936).

22402453920 is an abundant number, since it is smaller than the sum of its proper divisors (66827705952).

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

22402453920 is a wasteful number, since it uses less digits than its factorization.

22402453920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8644 (or 8636 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 22402453920 in words is "twenty-two billion, four hundred two million, four hundred fifty-three thousand, nine hundred twenty".