22986146 has 4 divisors (see below), whose sum is σ = 34479222. Its totient is φ = 11493072.

The previous prime is 22986137. The next prime is 22986151. The reversal of 22986146 is 64168922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64168922 = 2 ⋅32084461.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 3845521 = 4375^2 + 1961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5746535 + ... + 5746538.

Almost surely, 2^22986146 is an apocalyptic number.

22986146 is a deficient number, since it is larger than the sum of its proper divisors (11493076).

22986146 is a wasteful number, since it uses less digits than its factorization.

22986146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493075.

The product of its digits is 41472, while the sum is 38.

The square root of 22986146 is about 4794.3869263963. The cubic root of 22986146 is about 284.3295866136.

It can be divided in two parts, 22986 and 146, that added together give a palindrome (23132).

The spelling of 22986146 in words is "twenty-two million, nine hundred eighty-six thousand, one hundred forty-six".