22633146 has 12 divisors (see below), whose sum is σ = 49038522. Its totient is φ = 7544376.

The previous prime is 22633141. The next prime is 22633147. The reversal of 22633146 is 64133622.

22633146 is a `hidden beast` number, since 22 + 633 + 1 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20602521 + 2030625 = 4539^2 + 1425^2 .

It is not an unprimeable number, because it can be changed into a prime (22633141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628681 + ... + 628716.

Almost surely, 2^22633146 is an apocalyptic number.

22633146 is an abundant number, since it is smaller than the sum of its proper divisors (26405376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22633146 is a wasteful number, since it uses less digits than its factorization.

22633146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257405 (or 1257402 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 22633146 is about 4757.4306090578. The cubic root of 22633146 is about 282.8665813021.

Adding to 22633146 its reverse (64133622), we get a palindrome (86766768).

The spelling of 22633146 in words is "twenty-two million, six hundred thirty-three thousand, one hundred forty-six".