22385648 has 20 divisors (see below), whose sum is σ = 45655560. Its totient is φ = 10603584.

The previous prime is 22385621. The next prime is 22385653. The reversal of 22385648 is 84658322.

It is a super-2 number, since 2×22385648² = 1002234472759808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 36515 + ... + 37122.

It is an arithmetic number, because the mean of its divisors is an integer number (2282778).

Almost surely, 2^22385648 is an apocalyptic number.

It is an amenable number.

22385648 is an abundant number, since it is smaller than the sum of its proper divisors (23269912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22385648 is a wasteful number, since it uses less digits than its factorization.

22385648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73664 (or 73658 counting only the distinct ones).

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

The square root of 22385648 is about 4731.3473768050. The cubic root of 22385648 is about 281.8317323538.

The spelling of 22385648 in words is "twenty-two million, three hundred eighty-five thousand, six hundred forty-eight".