22825722 has 32 divisors (see below), whose sum is σ = 46889280. Its totient is φ = 7404800.

The previous prime is 22825721. The next prime is 22825723. The reversal of 22825722 is 22752822.

It is an interprime number because it is at equal distance from previous prime (22825721) and next prime (22825723).

It is a self number, because there is not a number n which added to its sum of digits gives 22825722.

It is not an unprimeable number, because it can be changed into a prime (22825721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56722 + ... + 57122.

It is an arithmetic number, because the mean of its divisors is an integer number (1465290).

Almost surely, 2^22825722 is an apocalyptic number.

22825722 is an abundant number, since it is smaller than the sum of its proper divisors (24063558).

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

22825722 is a wasteful number, since it uses less digits than its factorization.

22825722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638.

The product of its digits is 8960, while the sum is 30.

The square root of 22825722 is about 4777.6272353544. The cubic root of 22825722 is about 283.6665812085. Note that the first 3 decimals are identical.

Subtracting from 22825722 its reverse (22752822), we obtain a square (72900 = 270²).

The spelling of 22825722 in words is "twenty-two million, eight hundred twenty-five thousand, seven hundred twenty-two".