22740048 has 40 divisors (see below), whose sum is σ = 65273600. Its totient is φ = 7579872.

The previous prime is 22740043. The next prime is 22740061. The reversal of 22740048 is 84004722.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22740043) 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 7 ways as a sum of consecutive naturals, for example, 25888 + ... + 26751.

It is an arithmetic number, because the mean of its divisors is an integer number (1631840).

Almost surely, 2^22740048 is an apocalyptic number.

It is an amenable number.

22740048 is an abundant number, since it is smaller than the sum of its proper divisors (42533552).

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

22740048 is a wasteful number, since it uses less digits than its factorization.

22740048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52656 (or 52644 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 22740048 is about 4768.6526398974. The cubic root of 22740048 is about 283.3112318016.

The spelling of 22740048 in words is "twenty-two million, seven hundred forty thousand, forty-eight".