22038597 has 12 divisors (see below), whose sum is σ = 36381280. Its totient is φ = 12593448.

The previous prime is 22038571. The next prime is 22038617. The reversal of 22038597 is 79583022.

It is a happy number.

It is not a de Polignac number, because 22038597 - 2¹⁴ = 22022213 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 (22038517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174847 + ... + 174972.

Almost surely, 2^22038597 is an apocalyptic number.

It is an amenable number.

22038597 is a deficient number, since it is larger than the sum of its proper divisors (14342683).

22038597 is a wasteful number, since it uses less digits than its factorization.

22038597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349832 (or 349829 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 22038597 is about 4694.5284108204. The cubic root of 22038597 is about 280.3677014398.

The spelling of 22038597 in words is "twenty-two million, thirty-eight thousand, five hundred ninety-seven".