22988506 has 4 divisors (see below), whose sum is σ = 34482762. Its totient is φ = 11494252.

The previous prime is 22988501. The next prime is 22988519. The reversal of 22988506 is 60588922.

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., 14630625 + 8357881 = 3825^2 + 2891^2 .

It is a super-2 number, since 2×22988506² = 1056942816224072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22988501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5747125 + ... + 5747128.

Almost surely, 2^22988506 is an apocalyptic number.

22988506 is a deficient number, since it is larger than the sum of its proper divisors (11494256).

22988506 is a wasteful number, since it uses less digits than its factorization.

22988506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494255.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 22988506 is about 4794.6330412243. The cubic root of 22988506 is about 284.3393170379.

The spelling of 22988506 in words is "twenty-two million, nine hundred eighty-eight thousand, five hundred six".