22723948 has 12 divisors (see below), whose sum is σ = 42826000. Its totient is φ = 10487952.

The previous prime is 22723937. The next prime is 22723949. The reversal of 22723948 is 84932722.

It is not an unprimeable number, because it can be changed into a prime (22723949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218448 + ... + 218551.

Almost surely, 2^22723948 is an apocalyptic number.

It is an amenable number.

22723948 is a deficient number, since it is larger than the sum of its proper divisors (20102052).

22723948 is a wasteful number, since it uses less digits than its factorization.

22723948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437016 (or 437014 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 22723948 is about 4766.9642331362. The cubic root of 22723948 is about 283.2443543742.

Subtracting from 22723948 its sum of digits (37), we obtain a triangular number (22723911 = T₆₇₄₁).

The spelling of 22723948 in words is "twenty-two million, seven hundred twenty-three thousand, nine hundred forty-eight".