22722430 has 16 divisors (see below), whose sum is σ = 41057280. Its totient is φ = 9054112.

The previous prime is 22722419. The next prime is 22722431. The reversal of 22722430 is 3422722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22722431) 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, 1534 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (2566080).

Almost surely, 2^22722430 is an apocalyptic number.

22722430 is a deficient number, since it is larger than the sum of its proper divisors (18334850).

22722430 is a wasteful number, since it uses less digits than its factorization.

22722430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22722430 is about 4766.8050096474. The cubic root of 22722430 is about 283.2380471588.

The spelling of 22722430 in words is "twenty-two million, seven hundred twenty-two thousand, four hundred thirty".