22508870 has 8 divisors (see below), whose sum is σ = 40515984. Its totient is φ = 9003544.

The previous prime is 22508861. The next prime is 22508879. The reversal of 22508870 is 7880522.

It is an interprime number because it is at equal distance from previous prime (22508861) and next prime (22508879).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22508879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125434 + ... + 1125453.

It is an arithmetic number, because the mean of its divisors is an integer number (5064498).

Almost surely, 2^22508870 is an apocalyptic number.

22508870 is a deficient number, since it is larger than the sum of its proper divisors (18007114).

22508870 is a wasteful number, since it uses less digits than its factorization.

22508870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250894.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 22508870 is about 4744.3513782181. The cubic root of 22508870 is about 282.3479015219.

The spelling of 22508870 in words is "twenty-two million, five hundred eight thousand, eight hundred seventy".