22272253 has 2 divisors, whose sum is σ = 22272254. Its totient is φ = 22272252.

The previous prime is 22272241. The next prime is 22272269. The reversal of 22272253 is 35227222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 248004 = 4693^2 + 498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22272253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11136126 + 11136127.

It is an arithmetic number, because the mean of its divisors is an integer number (11136127).

Almost surely, 2^22272253 is an apocalyptic number.

It is an amenable number.

22272253 is a deficient number, since it is larger than the sum of its proper divisors (1).

22272253 is an equidigital number, since it uses as much as digits as its factorization.

22272253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 25.

The square root of 22272253 is about 4719.3487898226. The cubic root of 22272253 is about 281.3550515879.

Adding to 22272253 its reverse (35227222), we get a palindrome (57499475).

The spelling of 22272253 in words is "twenty-two million, two hundred seventy-two thousand, two hundred fifty-three".