22983749 has 4 divisors (see below), whose sum is σ = 24193440. Its totient is φ = 21774060.

The previous prime is 22983743. The next prime is 22983757. The reversal of 22983749 is 94738922.

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 22983749 - 2⁴ = 22983733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22983743) 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 3 ways as a sum of consecutive naturals, for example, 604817 + ... + 604854.

It is an arithmetic number, because the mean of its divisors is an integer number (6048360).

Almost surely, 2^22983749 is an apocalyptic number.

It is an amenable number.

22983749 is a deficient number, since it is larger than the sum of its proper divisors (1209691).

22983749 is a wasteful number, since it uses less digits than its factorization.

22983749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209690.

The product of its digits is 217728, while the sum is 44.

The square root of 22983749 is about 4794.1369400550. The cubic root of 22983749 is about 284.3197029542.

It can be divided in two parts, 22983 and 749, that added together give a palindrome (23732).

The spelling of 22983749 in words is "twenty-two million, nine hundred eighty-three thousand, seven hundred forty-nine".