22412593 has 4 divisors (see below), whose sum is σ = 25614400. Its totient is φ = 19210788.

The previous prime is 22412581. The next prime is 22412617. The reversal of 22412593 is 39521422.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39521422 = 2 ⋅19760711.

It is a cyclic number.

It is not a de Polignac number, because 22412593 - 2²¹ = 20315441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22412393) 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, 1600893 + ... + 1600906.

It is an arithmetic number, because the mean of its divisors is an integer number (6403600).

Almost surely, 2^22412593 is an apocalyptic number.

It is an amenable number.

22412593 is a deficient number, since it is larger than the sum of its proper divisors (3201807).

22412593 is an equidigital number, since it uses as much as digits as its factorization.

22412593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201806.

The product of its digits is 4320, while the sum is 28.

The square root of 22412593 is about 4734.1940179929. The cubic root of 22412593 is about 281.9447647632.

It can be divided in two parts, 22412 and 593, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22412593 in words is "twenty-two million, four hundred twelve thousand, five hundred ninety-three".