22133512625 has 16 divisors (see below), whose sum is σ = 31568714112. Its totient is φ = 15177265200.

The previous prime is 22133512613. The next prime is 22133512663. The reversal of 22133512625 is 52621533122.

It is not a de Polignac number, because 22133512625 - 2¹⁰ = 22133511601 is a prime.

It is a super-2 number, since 2×22133512625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22133512591 and 22133512600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12646847 + ... + 12648596.

It is an arithmetic number, because the mean of its divisors is an integer number (1973044632).

Almost surely, 2^22133512625 is an apocalyptic number.

22133512625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22133512625 is a deficient number, since it is larger than the sum of its proper divisors (9435201487).

22133512625 is an equidigital number, since it uses as much as digits as its factorization.

22133512625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25295465 (or 25295455 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The spelling of 22133512625 in words is "twenty-two billion, one hundred thirty-three million, five hundred twelve thousand, six hundred twenty-five".