22685384 has 8 divisors (see below), whose sum is σ = 42535110. Its totient is φ = 11342688.

The previous prime is 22685363. The next prime is 22685387. The reversal of 22685384 is 48358622.

It can be written as a sum of positive squares in only one way, i.e., 21362884 + 1322500 = 4622^2 + 1150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22685387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1417829 + ... + 1417844.

Almost surely, 2^22685384 is an apocalyptic number.

It is an amenable number.

22685384 is a deficient number, since it is larger than the sum of its proper divisors (19849726).

22685384 is a wasteful number, since it uses less digits than its factorization.

22685384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835679 (or 2835675 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 22685384 is about 4762.9175932405. The cubic root of 22685384 is about 283.0840356927.

The spelling of 22685384 in words is "twenty-two million, six hundred eighty-five thousand, three hundred eighty-four".