22146146 has 12 divisors (see below), whose sum is σ = 36514086. Its totient is φ = 10066320.

The previous prime is 22146139. The next prime is 22146151. The reversal of 22146146 is 64164122.

It can be written as a sum of positive squares in only one way, i.e., 21855625 + 290521 = 4675^2 + 539^2 .

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, 45515 + ... + 45998.

Almost surely, 2^22146146 is an apocalyptic number.

22146146 is a deficient number, since it is larger than the sum of its proper divisors (14367940).

22146146 is a wasteful number, since it uses less digits than its factorization.

22146146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91537 (or 91526 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 22146146 is about 4705.9691881694. The cubic root of 22146146 is about 280.8230291067.

The spelling of 22146146 in words is "twenty-two million, one hundred forty-six thousand, one hundred forty-six".