22345724544 has 256 divisors, whose sum is σ = 71987650560. Its totient is φ = 6048460800.

The previous prime is 22345724521. The next prime is 22345724561. The reversal of 22345724544 is 44542754322.

It is a junction number, because it is equal to n+sod(n) for n = 22345724496 and 22345724505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1695709 + ... + 1708835.

It is an arithmetic number, because the mean of its divisors is an integer number (281201760).

Almost surely, 2^22345724544 is an apocalyptic number.

22345724544 is a gapful number since it is divisible by the number (24) 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 22345724544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35993825280).

22345724544 is an abundant number, since it is smaller than the sum of its proper divisors (49641926016).

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

22345724544 is a wasteful number, since it uses less digits than its factorization.

22345724544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13199 (or 13187 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 42.

The spelling of 22345724544 in words is "twenty-two billion, three hundred forty-five million, seven hundred twenty-four thousand, five hundred forty-four".