22914397 has 4 divisors (see below), whose sum is σ = 24997536. Its totient is φ = 20831260.

The previous prime is 22914373. The next prime is 22914403. The reversal of 22914397 is 79341922.

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 a cyclic number.

It is not a de Polignac number, because 22914397 - 2²³ = 14525789 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 (22914337) 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, 1041553 + ... + 1041574.

It is an arithmetic number, because the mean of its divisors is an integer number (6249384).

Almost surely, 2^22914397 is an apocalyptic number.

It is an amenable number.

22914397 is a deficient number, since it is larger than the sum of its proper divisors (2083139).

22914397 is a wasteful number, since it uses less digits than its factorization.

22914397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083138.

The product of its digits is 27216, while the sum is 37.

The square root of 22914397 is about 4786.8984739599. The cubic root of 22914397 is about 284.0334426332.

It can be divided in two parts, 22 and 914397, that added together give a palindrome (914419).

The spelling of 22914397 in words is "twenty-two million, nine hundred fourteen thousand, three hundred ninety-seven".