22623454620 has 144 divisors (see below), whose sum is σ = 74186304192. Its totient is φ = 5547525120.

The previous prime is 22623454613. The next prime is 22623454661. The reversal of 22623454620 is 2645432622.

22623454620 is a `hidden beast` number, since 2 + 2 + 6 + 23 + 4 + 5 + 4 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 597040 + ... + 633800.

It is an arithmetic number, because the mean of its divisors is an integer number (515182668).

Almost surely, 2^22623454620 is an apocalyptic number.

22623454620 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 22623454620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37093152096).

22623454620 is an abundant number, since it is smaller than the sum of its proper divisors (51562849572).

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

22623454620 is a wasteful number, since it uses less digits than its factorization.

22623454620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37052 (or 37047 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 22623454620 in words is "twenty-two billion, six hundred twenty-three million, four hundred fifty-four thousand, six hundred twenty".