22922749 has 8 divisors (see below), whose sum is σ = 24523128. Its totient is φ = 21350400.

The previous prime is 22922747. The next prime is 22922771. The reversal of 22922749 is 94722922.

It can be written as a sum of positive squares in 4 ways, for example, as 9180900 + 13741849 = 3030^2 + 3707^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22922749 - 2¹ = 22922747 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 (22922747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5302 + ... + 8599.

It is an arithmetic number, because the mean of its divisors is an integer number (3065391).

Almost surely, 2^22922749 is an apocalyptic number.

It is an amenable number.

22922749 is a deficient number, since it is larger than the sum of its proper divisors (1600379).

22922749 is a wasteful number, since it uses less digits than its factorization.

22922749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14015.

The product of its digits is 36288, while the sum is 37.

The square root of 22922749 is about 4787.7707756324. The cubic root of 22922749 is about 284.0679472746.

It can be divided in two parts, 2292 and 2749, that added together give a square (5041 = 71²).

The spelling of 22922749 in words is "twenty-two million, nine hundred twenty-two thousand, seven hundred forty-nine".