22648146 has 16 divisors (see below), whose sum is σ = 47265984. Its totient is φ = 7221104.

The previous prime is 22648051. The next prime is 22648147. The reversal of 22648146 is 64184622.

It is not an unprimeable number, because it can be changed into a prime (22648147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81921 + ... + 82196.

It is an arithmetic number, because the mean of its divisors is an integer number (2954124).

Almost surely, 2^22648146 is an apocalyptic number.

22648146 is an abundant number, since it is smaller than the sum of its proper divisors (24617838).

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

22648146 is a wasteful number, since it uses less digits than its factorization.

22648146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164145.

The product of its digits is 18432, while the sum is 33.

The square root of 22648146 is about 4759.0068291609. The cubic root of 22648146 is about 282.9290569550.

The spelling of 22648146 in words is "twenty-two million, six hundred forty-eight thousand, one hundred forty-six".