22215162 has 16 divisors (see below), whose sum is σ = 45269280. Its totient is φ = 7265232.

The previous prime is 22215157. The next prime is 22215169. The reversal of 22215162 is 26151222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22215169) 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, 34612 + ... + 35247.

It is an arithmetic number, because the mean of its divisors is an integer number (2829330).

Almost surely, 2^22215162 is an apocalyptic number.

22215162 is an abundant number, since it is smaller than the sum of its proper divisors (23054118).

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

22215162 is a wasteful number, since it uses less digits than its factorization.

22215162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69917.

The product of its digits is 480, while the sum is 21.

The square root of 22215162 is about 4713.2962987701. The cubic root of 22215162 is about 281.1144445033.

Adding to 22215162 its reverse (26151222), we get a palindrome (48366384).

The spelling of 22215162 in words is "twenty-two million, two hundred fifteen thousand, one hundred sixty-two".