22562997 has 8 divisors (see below), whose sum is σ = 30817920. Its totient is φ = 14675040.

The previous prime is 22562989. The next prime is 22563017. The reversal of 22562997 is 79926522.

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

It is not a de Polignac number, because 22562997 - 2³ = 22562989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22563997) 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, 91597 + ... + 91842.

It is an arithmetic number, because the mean of its divisors is an integer number (3852240).

Almost surely, 2^22562997 is an apocalyptic number.

It is an amenable number.

22562997 is a deficient number, since it is larger than the sum of its proper divisors (8254923).

22562997 is a wasteful number, since it uses less digits than its factorization.

22562997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183483.

The product of its digits is 136080, while the sum is 42.

The square root of 22562997 is about 4750.0523155014. The cubic root of 22562997 is about 282.5740406864.

It can be divided in two parts, 2256 and 2997, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 22562997 in words is "twenty-two million, five hundred sixty-two thousand, nine hundred ninety-seven".