22749441 has 32 divisors (see below), whose sum is σ = 37524480. Its totient is φ = 12052800.

The previous prime is 22749439. The next prime is 22749449. The reversal of 22749441 is 14494722.

It is not a de Polignac number, because 22749441 - 2¹ = 22749439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22749449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6756 + ... + 9546.

It is an arithmetic number, because the mean of its divisors is an integer number (1172640).

Almost surely, 2^22749441 is an apocalyptic number.

It is an amenable number.

22749441 is a deficient number, since it is larger than the sum of its proper divisors (14775039).

22749441 is a wasteful number, since it uses less digits than its factorization.

22749441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837.

The product of its digits is 16128, while the sum is 33.

The square root of 22749441 is about 4769.6374076024. The cubic root of 22749441 is about 283.3502345935.

The spelling of 22749441 in words is "twenty-two million, seven hundred forty-nine thousand, four hundred forty-one".