22374648 has 48 divisors (see below), whose sum is σ = 61175400. Its totient is φ = 7387200.

The previous prime is 22374641. The next prime is 22374659. The reversal of 22374648 is 84647322.

22374648 is a `hidden beast` number, since 2 + 2 + 3 + 7 + 4 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22374641) 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 in 11 ways as a sum of consecutive naturals, for example, 6423 + ... + 9273.

Almost surely, 2^22374648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22374648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30587700).

22374648 is an abundant number, since it is smaller than the sum of its proper divisors (38800752).

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

22374648 is a wasteful number, since it uses less digits than its factorization.

22374648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972 (or 2965 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 22374648 is about 4730.1847744036. The cubic root of 22374648 is about 281.7855620429.

The spelling of 22374648 in words is "twenty-two million, three hundred seventy-four thousand, six hundred forty-eight".