22732749 has 24 divisors (see below), whose sum is σ = 35529312. Its totient is φ = 13923360.

The previous prime is 22732747. The next prime is 22732751. The reversal of 22732749 is 94723722.

It is an interprime number because it is at equal distance from previous prime (22732747) and next prime (22732751).

It is not a de Polignac number, because 22732749 - 2¹ = 22732747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22732747) 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 23 ways as a sum of consecutive naturals, for example, 38434 + ... + 39020.

It is an arithmetic number, because the mean of its divisors is an integer number (1480388).

Almost surely, 2^22732749 is an apocalyptic number.

It is an amenable number.

22732749 is a deficient number, since it is larger than the sum of its proper divisors (12796563).

22732749 is a wasteful number, since it uses less digits than its factorization.

22732749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 934 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 22732749 is about 4767.8872679626. The cubic root of 22732749 is about 283.2809165626.

The spelling of 22732749 in words is "twenty-two million, seven hundred thirty-two thousand, seven hundred forty-nine".