22292493 has 4 divisors (see below), whose sum is σ = 29723328. Its totient is φ = 14861660.

The previous prime is 22292483. The next prime is 22292507. The reversal of 22292493 is 39429222.

It is a happy number.

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 22292493 - 2⁵ = 22292461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22292483) 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, 3715413 + ... + 3715418.

It is an arithmetic number, because the mean of its divisors is an integer number (7430832).

Almost surely, 2^22292493 is an apocalyptic number.

It is an amenable number.

22292493 is a deficient number, since it is larger than the sum of its proper divisors (7430835).

22292493 is an equidigital number, since it uses as much as digits as its factorization.

22292493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430834.

The product of its digits is 15552, while the sum is 33.

The square root of 22292493 is about 4721.4926665198. The cubic root of 22292493 is about 281.4402532977.

The spelling of 22292493 in words is "twenty-two million, two hundred ninety-two thousand, four hundred ninety-three".