22160345 has 4 divisors (see below), whose sum is σ = 26592420. Its totient is φ = 17728272.

The previous prime is 22160311. The next prime is 22160363. The reversal of 22160345 is 54306122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10843849 + 11316496 = 3293^2 + 3364^2 .

It is a cyclic number.

It is not a de Polignac number, because 22160345 - 2²⁴ = 5383129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22160345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216030 + ... + 2216039.

It is an arithmetic number, because the mean of its divisors is an integer number (6648105).

Almost surely, 2^22160345 is an apocalyptic number.

It is an amenable number.

22160345 is a deficient number, since it is larger than the sum of its proper divisors (4432075).

22160345 is an equidigital number, since it uses as much as digits as its factorization.

22160345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432074.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22160345 is about 4707.4775623470. The cubic root of 22160345 is about 280.8830328401.

Adding to 22160345 its reverse (54306122), we get a palindrome (76466467).

The spelling of 22160345 in words is "twenty-two million, one hundred sixty thousand, three hundred forty-five".