22997403 has 48 divisors (see below), whose sum is σ = 39626496. Its totient is φ = 12669120.

The previous prime is 22997393. The next prime is 22997417. The reversal of 22997403 is 30479922.

It is not a de Polignac number, because 22997403 - 2⁶ = 22997339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22997423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137626 + ... + 137792.

It is an arithmetic number, because the mean of its divisors is an integer number (825552).

Almost surely, 2^22997403 is an apocalyptic number.

22997403 is a deficient number, since it is larger than the sum of its proper divisors (16629093).

22997403 is a wasteful number, since it uses less digits than its factorization.

22997403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 22997403 is about 4795.5607597027. The cubic root of 22997403 is about 284.3759939264.

The spelling of 22997403 in words is "twenty-two million, nine hundred ninety-seven thousand, four hundred three".