22064146 has 16 divisors (see below), whose sum is σ = 35834904. Its totient is φ = 10128384.

The previous prime is 22064137. The next prime is 22064167. The reversal of 22064146 is 64146022.

It can be written as a sum of positive squares in 4 ways, for example, as 12173121 + 9891025 = 3489^2 + 3145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22064146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820 + ... + 7216.

Almost surely, 2^22064146 is an apocalyptic number.

22064146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22064146 is a deficient number, since it is larger than the sum of its proper divisors (13770758).

22064146 is a wasteful number, since it uses less digits than its factorization.

22064146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22064146 is about 4697.2487692265. The cubic root of 22064146 is about 280.4760015606.

The spelling of 22064146 in words is "twenty-two million, sixty-four thousand, one hundred forty-six".