22910749 has 4 divisors (see below), whose sum is σ = 22933600. Its totient is φ = 22887900.

The previous prime is 22910729. The next prime is 22910753. The reversal of 22910749 is 94701922.

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 22910749 - 2⁷ = 22910621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22910729) 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, 9849 + ... + 11950.

It is an arithmetic number, because the mean of its divisors is an integer number (5733400).

Almost surely, 2^22910749 is an apocalyptic number.

It is an amenable number.

22910749 is a deficient number, since it is larger than the sum of its proper divisors (22851).

22910749 is a wasteful number, since it uses less digits than its factorization.

22910749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22850.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 22910749 is about 4786.5174187503. The cubic root of 22910749 is about 284.0183690096.

The spelling of 22910749 in words is "twenty-two million, nine hundred ten thousand, seven hundred forty-nine".