22883640 has 64 divisors (see below), whose sum is σ = 73936800. Its totient is φ = 5632512.

The previous prime is 22883633. The next prime is 22883647. The reversal of 22883640 is 4638822.

It is an interprime number because it is at equal distance from previous prime (22883633) and next prime (22883647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22883647) 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 15 ways as a sum of consecutive naturals, for example, 5775 + ... + 8894.

Almost surely, 2^22883640 is an apocalyptic number.

22883640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22883640 is an abundant number, since it is smaller than the sum of its proper divisors (51053160).

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

22883640 is a wasteful number, since it uses less digits than its factorization.

22883640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14696 (or 14692 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 22883640 is about 4783.6847722232. The cubic root of 22883640 is about 283.9063038135.

The spelling of 22883640 in words is "twenty-two million, eight hundred eighty-three thousand, six hundred forty".