22884146 has 4 divisors (see below), whose sum is σ = 34326222. Its totient is φ = 11442072.

The previous prime is 22884139. The next prime is 22884157. The reversal of 22884146 is 64148822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64148822 = 2 ⋅32074411.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 83521 = 4775^2 + 289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5721035 + ... + 5721038.

Almost surely, 2^22884146 is an apocalyptic number.

22884146 is a deficient number, since it is larger than the sum of its proper divisors (11442076).

22884146 is a wasteful number, since it uses less digits than its factorization.

22884146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442075.

The product of its digits is 24576, while the sum is 35.

The square root of 22884146 is about 4783.7376600311. The cubic root of 22884146 is about 283.9083963642.

The spelling of 22884146 in words is "twenty-two million, eight hundred eighty-four thousand, one hundred forty-six".