22693724 has 6 divisors (see below), whose sum is σ = 39714024. Its totient is φ = 11346860.

The previous prime is 22693721. The next prime is 22693739. The reversal of 22693724 is 42739622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22693721) 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 as a sum of consecutive naturals, namely, 2836712 + ... + 2836719.

It is an arithmetic number, because the mean of its divisors is an integer number (6619004).

Almost surely, 2^22693724 is an apocalyptic number.

It is an amenable number.

22693724 is a deficient number, since it is larger than the sum of its proper divisors (17020300).

22693724 is a wasteful number, since it uses less digits than its factorization.

22693724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673435 (or 5673433 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 22693724 is about 4763.7930265703. The cubic root of 22693724 is about 283.1187222203.

The spelling of 22693724 in words is "twenty-two million, six hundred ninety-three thousand, seven hundred twenty-four".