22723684 has 6 divisors (see below), whose sum is σ = 39766454. Its totient is φ = 11361840.

The previous prime is 22723663. The next prime is 22723693. The reversal of 22723684 is 48632722.

It can be written as a sum of positive squares in only one way, i.e., 13249600 + 9474084 = 3640^2 + 3078^2 .

It is an unprimeable number.

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, 2840457 + ... + 2840464.

Almost surely, 2^22723684 is an apocalyptic number.

It is an amenable number.

22723684 is a deficient number, since it is larger than the sum of its proper divisors (17042770).

22723684 is a wasteful number, since it uses less digits than its factorization.

22723684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680925 (or 5680923 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 22723684 is about 4766.9365424767. The cubic root of 22723684 is about 283.2432574873.

The spelling of 22723684 in words is "twenty-two million, seven hundred twenty-three thousand, six hundred eighty-four".