22740024 has 16 divisors (see below), whose sum is σ = 56850120. Its totient is φ = 7580000.

The previous prime is 22739993. The next prime is 22740043. The reversal of 22740024 is 42004722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473727 + ... + 473774.

Almost surely, 2^22740024 is an apocalyptic number.

22740024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22740024 is an abundant number, since it is smaller than the sum of its proper divisors (34110096).

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

22740024 is a wasteful number, since it uses less digits than its factorization.

22740024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947510 (or 947506 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 22740024 is about 4768.6501234626. The cubic root of 22740024 is about 283.3111321320.

Adding to 22740024 its reverse (42004722), we get a palindrome (64744746).

The spelling of 22740024 in words is "twenty-two million, seven hundred forty thousand, twenty-four".