22533425424 has 40 divisors (see below), whose sum is σ = 64679277920. Its totient is φ = 7511141664.

The previous prime is 22533425423. The next prime is 22533425429. The reversal of 22533425424 is 42452433522.

22533425424 is a `hidden beast` number, since 22 + 53 + 3 + 42 + 542 + 4 = 666.

It is a super-2 number, since 2×22533425424² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (22533425423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26079922 + ... + 26080785.

It is an arithmetic number, because the mean of its divisors is an integer number (1616981948).

Almost surely, 2^22533425424 is an apocalyptic number.

22533425424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22533425424 is an abundant number, since it is smaller than the sum of its proper divisors (42145852496).

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

22533425424 is a wasteful number, since it uses less digits than its factorization.

22533425424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52160724 (or 52160712 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

Adding to 22533425424 its reverse (42452433522), we get a palindrome (64985858946).

The spelling of 22533425424 in words is "twenty-two billion, five hundred thirty-three million, four hundred twenty-five thousand, four hundred twenty-four".