22149266 has 16 divisors (see below), whose sum is σ = 36038520. Its totient is φ = 10168320.

The previous prime is 22149251. The next prime is 22149287. The reversal of 22149266 is 66294122.

It can be written as a sum of positive squares in 4 ways, for example, as 13476241 + 8673025 = 3671^2 + 2945^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6551 + ... + 9338.

Almost surely, 2^22149266 is an apocalyptic number.

22149266 is a deficient number, since it is larger than the sum of its proper divisors (13889254).

22149266 is a wasteful number, since it uses less digits than its factorization.

22149266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15949.

The product of its digits is 10368, while the sum is 32.

The square root of 22149266 is about 4706.3006703780. The cubic root of 22149266 is about 280.8362161522.

The spelling of 22149266 in words is "twenty-two million, one hundred forty-nine thousand, two hundred sixty-six".