22548986 has 4 divisors (see below), whose sum is σ = 33823482. Its totient is φ = 11274492.

The previous prime is 22548983. The next prime is 22548989. The reversal of 22548986 is 68984522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68984522 = 2 ⋅34492261.

It is an interprime number because it is at equal distance from previous prime (22548983) and next prime (22548989).

It can be written as a sum of positive squares in only one way, i.e., 20205025 + 2343961 = 4495^2 + 1531^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22548983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5637245 + ... + 5637248.

Almost surely, 2^22548986 is an apocalyptic number.

22548986 is a deficient number, since it is larger than the sum of its proper divisors (11274496).

22548986 is a wasteful number, since it uses less digits than its factorization.

22548986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11274495.

The product of its digits is 276480, while the sum is 44.

The square root of 22548986 is about 4748.5772606119. The cubic root of 22548986 is about 282.5155383418.

The spelling of 22548986 in words is "twenty-two million, five hundred forty-eight thousand, nine hundred eighty-six".