22152273 has 16 divisors (see below), whose sum is σ = 34700736. Its totient is φ = 12392640.

The previous prime is 22152239. The next prime is 22152281. The reversal of 22152273 is 37225122.

It is a happy number.

It is not a de Polignac number, because 22152273 - 2⁶ = 22152209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22152223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25390 + ... + 26247.

It is an arithmetic number, because the mean of its divisors is an integer number (2168796).

Almost surely, 2^22152273 is an apocalyptic number.

It is an amenable number.

22152273 is a deficient number, since it is larger than the sum of its proper divisors (12548463).

22152273 is a wasteful number, since it uses less digits than its factorization.

22152273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51664.

The product of its digits is 1680, while the sum is 24.

The square root of 22152273 is about 4706.6201248879. The cubic root of 22152273 is about 280.8489244182.

Adding to 22152273 its reverse (37225122), we get a palindrome (59377395).

The spelling of 22152273 in words is "twenty-two million, one hundred fifty-two thousand, two hundred seventy-three".