22738994 has 8 divisors (see below), whose sum is σ = 34175280. Its totient is φ = 11347236.

The previous prime is 22738981. The next prime is 22738999. The reversal of 22738994 is 49983722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22738999) 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 3 ways as a sum of consecutive naturals, for example, 9824 + ... + 11915.

It is an arithmetic number, because the mean of its divisors is an integer number (4271910).

Almost surely, 2^22738994 is an apocalyptic number.

22738994 is a deficient number, since it is larger than the sum of its proper divisors (11436286).

22738994 is a wasteful number, since it uses less digits than its factorization.

22738994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22264.

The product of its digits is 217728, while the sum is 44.

The square root of 22738994 is about 4768.5421252202. The cubic root of 22738994 is about 283.3068545805.

It can be divided in two parts, 22738 and 994, that added together give a palindrome (23732).

The spelling of 22738994 in words is "twenty-two million, seven hundred thirty-eight thousand, nine hundred ninety-four".