22805154 has 12 divisors (see below), whose sum is σ = 49411206. Its totient is φ = 7601712.

The previous prime is 22805131. The next prime is 22805171. The reversal of 22805154 is 45150822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22043025 + 762129 = 4695^2 + 873^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 633459 + ... + 633494.

Almost surely, 2^22805154 is an apocalyptic number.

22805154 is an abundant number, since it is smaller than the sum of its proper divisors (26606052).

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

22805154 is a wasteful number, since it uses less digits than its factorization.

22805154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266961 (or 1266958 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 22805154 is about 4775.4742172898. The cubic root of 22805154 is about 283.5813526876.

Adding to 22805154 its reverse (45150822), we get a palindrome (67955976).

The spelling of 22805154 in words is "twenty-two million, eight hundred five thousand, one hundred fifty-four".