22298986 has 4 divisors (see below), whose sum is σ = 33448482. Its totient is φ = 11149492.

The previous prime is 22298971. The next prime is 22298987. The reversal of 22298986 is 68989222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68989222 = 2 ⋅34494611.

It can be written as a sum of positive squares in only one way, i.e., 11937025 + 10361961 = 3455^2 + 3219^2 .

It is not an unprimeable number, because it can be changed into a prime (22298987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574745 + ... + 5574748.

Almost surely, 2^22298986 is an apocalyptic number.

22298986 is a deficient number, since it is larger than the sum of its proper divisors (11149496).

22298986 is a wasteful number, since it uses less digits than its factorization.

22298986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149495.

The product of its digits is 248832, while the sum is 46.

The square root of 22298986 is about 4722.1802168066. The cubic root of 22298986 is about 281.4675751137.

The spelling of 22298986 in words is "twenty-two million, two hundred ninety-eight thousand, nine hundred eighty-six".