22825491 has 8 divisors (see below), whose sum is σ = 32775120. Its totient is φ = 14046432.

The previous prime is 22825489. The next prime is 22825511. The reversal of 22825491 is 19452822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22825491 - 2¹ = 22825489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22825471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292596 + ... + 292673.

It is an arithmetic number, because the mean of its divisors is an integer number (4096890).

Almost surely, 2^22825491 is an apocalyptic number.

22825491 is a deficient number, since it is larger than the sum of its proper divisors (9949629).

22825491 is a wasteful number, since it uses less digits than its factorization.

22825491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585285.

The product of its digits is 11520, while the sum is 33.

The square root of 22825491 is about 4777.6030601129. The cubic root of 22825491 is about 283.6656242880.

The spelling of 22825491 in words is "twenty-two million, eight hundred twenty-five thousand, four hundred ninety-one".