22989938 has 4 divisors (see below), whose sum is σ = 34484910. Its totient is φ = 11494968.

The previous prime is 22989937. The next prime is 22989947. The reversal of 22989938 is 83998922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16297369 + 6692569 = 4037^2 + 2587^2 .

It is not an unprimeable number, because it can be changed into a prime (22989937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5747483 + ... + 5747486.

Almost surely, 2^22989938 is an apocalyptic number.

22989938 is a deficient number, since it is larger than the sum of its proper divisors (11494972).

22989938 is a wasteful number, since it uses less digits than its factorization.

22989938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494971.

The product of its digits is 559872, while the sum is 50.

The square root of 22989938 is about 4794.7823725379. The cubic root of 22989938 is about 284.3452209368.

The spelling of 22989938 in words is "twenty-two million, nine hundred eighty-nine thousand, nine hundred thirty-eight".