22989898 has 4 divisors (see below), whose sum is σ = 34484850. Its totient is φ = 11494948.

The previous prime is 22989859. The next prime is 22989919. The reversal of 22989898 is 89898922.

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., 22915369 + 74529 = 4787^2 + 273^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5747473 + ... + 5747476.

Almost surely, 2^22989898 is an apocalyptic number.

22989898 is a deficient number, since it is larger than the sum of its proper divisors (11494952).

22989898 is a wasteful number, since it uses less digits than its factorization.

22989898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494951.

The product of its digits is 1492992, while the sum is 55.

The square root of 22989898 is about 4794.7782013353. The cubic root of 22989898 is about 284.3450560267.

The spelling of 22989898 in words is "twenty-two million, nine hundred eighty-nine thousand, eight hundred ninety-eight".