22160446 has 48 divisors (see below), whose sum is σ = 43001712. Its totient is φ = 8467200.

The previous prime is 22160429. The next prime is 22160471. The reversal of 22160446 is 64406122.

It is a self number, because there is not a number n which added to its sum of digits gives 22160446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65590 + ... + 65926.

It is an arithmetic number, because the mean of its divisors is an integer number (895869).

Almost surely, 2^22160446 is an apocalyptic number.

22160446 is a deficient number, since it is larger than the sum of its proper divisors (20841266).

22160446 is a wasteful number, since it uses less digits than its factorization.

22160446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 418 counting only the distinct ones).

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

The square root of 22160446 is about 4707.4882899483. The cubic root of 22160446 is about 280.8834595654.

Adding to 22160446 its reverse (64406122), we get a palindrome (86566568).

The spelling of 22160446 in words is "twenty-two million, one hundred sixty thousand, four hundred forty-six".