22801338 has 40 divisors (see below), whose sum is σ = 58393632. Its totient is φ = 6514344.

The previous prime is 22801333. The next prime is 22801357. The reversal of 22801338 is 83310822.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22801333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8920 + ... + 11187.

Almost surely, 2^22801338 is an apocalyptic number.

22801338 is an abundant number, since it is smaller than the sum of its proper divisors (35592294).

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

22801338 is a wasteful number, since it uses less digits than its factorization.

22801338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20128 (or 20119 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22801338 is about 4775.0746591022. The cubic root of 22801338 is about 283.5655345264.

The spelling of 22801338 in words is "twenty-two million, eight hundred one thousand, three hundred thirty-eight".