22000497 has 4 divisors (see below), whose sum is σ = 29334000. Its totient is φ = 14666996.

The previous prime is 22000493. The next prime is 22000501. The reversal of 22000497 is 79400022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (22000493) and next prime (22000501).

It is a cyclic number.

It is not a de Polignac number, because 22000497 - 2² = 22000493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22000493) 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, 3666747 + ... + 3666752.

It is an arithmetic number, because the mean of its divisors is an integer number (7333500).

Almost surely, 2^22000497 is an apocalyptic number.

It is an amenable number.

22000497 is a deficient number, since it is larger than the sum of its proper divisors (7333503).

22000497 is an equidigital number, since it uses as much as digits as its factorization.

22000497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333502.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 22000497 is about 4690.4687399022. The cubic root of 22000497 is about 280.2060430702.

The spelling of 22000497 in words is "twenty-two million, four hundred ninety-seven", and thus it is an aban number.