22597741 has 4 divisors (see below), whose sum is σ = 23078592. Its totient is φ = 22116892.

The previous prime is 22597733. The next prime is 22597763. The reversal of 22597741 is 14779522.

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: 14779522 = 2 ⋅7389761.

It is a cyclic number.

It is not a de Polignac number, because 22597741 - 2³ = 22597733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22597741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22597541) 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, 240355 + ... + 240448.

It is an arithmetic number, because the mean of its divisors is an integer number (5769648).

Almost surely, 2^22597741 is an apocalyptic number.

It is an amenable number.

22597741 is a deficient number, since it is larger than the sum of its proper divisors (480851).

22597741 is an equidigital number, since it uses as much as digits as its factorization.

22597741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480850.

The product of its digits is 35280, while the sum is 37.

The square root of 22597741 is about 4753.7081315537. The cubic root of 22597741 is about 282.7190083877.

It can be divided in two parts, 2259 and 7741, that added together give a 4-th power (10000 = 10⁴).

The spelling of 22597741 in words is "twenty-two million, five hundred ninety-seven thousand, seven hundred forty-one".