22252162 has 4 divisors (see below), whose sum is σ = 33378246. Its totient is φ = 11126080.

The previous prime is 22252157. The next prime is 22252163. The reversal of 22252162 is 26125222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26125222 = 2 ⋅13062611.

It can be written as a sum of positive squares in only one way, i.e., 19193161 + 3059001 = 4381^2 + 1749^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22252163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5563039 + ... + 5563042.

Almost surely, 2^22252162 is an apocalyptic number.

22252162 is a deficient number, since it is larger than the sum of its proper divisors (11126084).

22252162 is a wasteful number, since it uses less digits than its factorization.

22252162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126083.

The product of its digits is 960, while the sum is 22.

The square root of 22252162 is about 4717.2197320032. The cubic root of 22252162 is about 281.2704260391.

Adding to 22252162 its reverse (26125222), we get a palindrome (48377384).

The spelling of 22252162 in words is "twenty-two million, two hundred fifty-two thousand, one hundred sixty-two".