22872270 has 16 divisors (see below), whose sum is σ = 54893520. Its totient is φ = 6099264.

The previous prime is 22872247. The next prime is 22872299. The reversal of 22872270 is 7227822.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 762409 = 22872270 / (2 + 2 + 8 + 7 + 2 + 2 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 381175 + ... + 381234.

It is an arithmetic number, because the mean of its divisors is an integer number (3430845).

Almost surely, 2^22872270 is an apocalyptic number.

22872270 is an abundant number, since it is smaller than the sum of its proper divisors (32021250).

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

22872270 is a wasteful number, since it uses less digits than its factorization.

22872270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762419.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 22872270 is about 4782.4962101396. The cubic root of 22872270 is about 283.8592753185.

The spelling of 22872270 in words is "twenty-two million, eight hundred seventy-two thousand, two hundred seventy".