22970287 has 8 divisors (see below), whose sum is σ = 23875200. Its totient is φ = 22075680.

The previous prime is 22970273. The next prime is 22970317. The reversal of 22970287 is 78207922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22970287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22970687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133 + ... + 7105.

It is an arithmetic number, because the mean of its divisors is an integer number (2984400).

Almost surely, 2^22970287 is an apocalyptic number.

22970287 is a deficient number, since it is larger than the sum of its proper divisors (904913).

22970287 is a wasteful number, since it uses less digits than its factorization.

22970287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 22970287 is about 4792.7327277869. The cubic root of 22970287 is about 284.2641817050.

The spelling of 22970287 in words is "twenty-two million, nine hundred seventy thousand, two hundred eighty-seven".