22252743 has 24 divisors (see below), whose sum is σ = 34070400. Its totient is φ = 13956624.

The previous prime is 22252733. The next prime is 22252757. The reversal of 22252743 is 34725222.

It is not a de Polignac number, because 22252743 - 2⁶ = 22252679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252723) 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 23 ways as a sum of consecutive naturals, for example, 30246 + ... + 30972.

It is an arithmetic number, because the mean of its divisors is an integer number (1419600).

Almost surely, 2^22252743 is an apocalyptic number.

22252743 is a deficient number, since it is larger than the sum of its proper divisors (11817657).

22252743 is a wasteful number, since it uses less digits than its factorization.

22252743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 22252743 is about 4717.2813144861. The cubic root of 22252743 is about 281.2728739915.

Adding to 22252743 its reverse (34725222), we get a palindrome (56977965).

The spelling of 22252743 in words is "twenty-two million, two hundred fifty-two thousand, seven hundred forty-three".