22552273 has 2 divisors, whose sum is σ = 22552274. Its totient is φ = 22552272.

The previous prime is 22552261. The next prime is 22552291. The reversal of 22552273 is 37225522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19210689 + 3341584 = 4383^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 22552273 - 2⁵ = 22552241 is a prime.

It is not a weakly prime, because it can be changed into another prime (22502273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11276136 + 11276137.

It is an arithmetic number, because the mean of its divisors is an integer number (11276137).

Almost surely, 2^22552273 is an apocalyptic number.

It is an amenable number.

22552273 is a deficient number, since it is larger than the sum of its proper divisors (1).

22552273 is an equidigital number, since it uses as much as digits as its factorization.

22552273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 28.

The square root of 22552273 is about 4748.9233516661. The cubic root of 22552273 is about 282.5292652481.

Adding to 22552273 its reverse (37225522), we get a palindrome (59777795).

It can be divided in two parts, 2255227 and 3, that multiplied together give a triangular number (6765681 = T₃₆₇₈).

The spelling of 22552273 in words is "twenty-two million, five hundred fifty-two thousand, two hundred seventy-three".