22890593 has 4 divisors (see below), whose sum is σ = 24971568. Its totient is φ = 20809620.

The previous prime is 22890563. The next prime is 22890601. The reversal of 22890593 is 39509822.

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 22890593 - 2⁶ = 22890529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22890563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040471 + ... + 1040492.

It is an arithmetic number, because the mean of its divisors is an integer number (6242892).

Almost surely, 2^22890593 is an apocalyptic number.

It is an amenable number.

22890593 is a deficient number, since it is larger than the sum of its proper divisors (2080975).

22890593 is a wasteful number, since it uses less digits than its factorization.

22890593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080974.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 22890593 is about 4784.4114580583. The cubic root of 22890593 is about 283.9350550762.

The spelling of 22890593 in words is "twenty-two million, eight hundred ninety thousand, five hundred ninety-three".