22162345 has 8 divisors (see below), whose sum is σ = 27243720. Its totient is φ = 17297280.

The previous prime is 22162331. The next prime is 22162367. The reversal of 22162345 is 54326122.

It can be written as a sum of positive squares in 4 ways, for example, as 1468944 + 20693401 = 1212^2 + 4549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22162345 - 2⁹ = 22161833 is a prime.

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, 53850 + ... + 54259.

It is an arithmetic number, because the mean of its divisors is an integer number (3405465).

Almost surely, 2^22162345 is an apocalyptic number.

It is an amenable number.

22162345 is a deficient number, since it is larger than the sum of its proper divisors (5081375).

22162345 is a wasteful number, since it uses less digits than its factorization.

22162345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108155.

The product of its digits is 2880, while the sum is 25.

The square root of 22162345 is about 4707.6899855449. The cubic root of 22162345 is about 280.8914826057.

Adding to 22162345 its reverse (54326122), we get a palindrome (76488467).

The spelling of 22162345 in words is "twenty-two million, one hundred sixty-two thousand, three hundred forty-five".