22594749 has 8 divisors (see below), whose sum is σ = 30356832. Its totient is φ = 14947920.

The previous prime is 22594739. The next prime is 22594771. The reversal of 22594749 is 94749522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22594749 - 2⁸ = 22594493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22594749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22594729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28354 + ... + 29139.

It is an arithmetic number, because the mean of its divisors is an integer number (3794604).

Almost surely, 2^22594749 is an apocalyptic number.

It is an amenable number.

22594749 is a deficient number, since it is larger than the sum of its proper divisors (7762083).

22594749 is a wasteful number, since it uses less digits than its factorization.

22594749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57627.

The product of its digits is 181440, while the sum is 42.

The square root of 22594749 is about 4753.3934194426. The cubic root of 22594749 is about 282.7065302584.

The spelling of 22594749 in words is "twenty-two million, five hundred ninety-four thousand, seven hundred forty-nine".