22245133 has 2 divisors, whose sum is σ = 22245134. Its totient is φ = 22245132.

The previous prime is 22245131. The next prime is 22245151. The reversal of 22245133 is 33154222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17413929 + 4831204 = 4173^2 + 2198^2 .

It is a cyclic number.

It is not a de Polignac number, because 22245133 - 2¹ = 22245131 is a prime.

Together with 22245131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22245131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122566 + 11122567.

It is an arithmetic number, because the mean of its divisors is an integer number (11122567).

Almost surely, 2^22245133 is an apocalyptic number.

It is an amenable number.

22245133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22245133 is an equidigital number, since it uses as much as digits as its factorization.

22245133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 22245133 is about 4716.4746368448. The cubic root of 22245133 is about 281.2408070740.

Adding to 22245133 its reverse (33154222), we get a palindrome (55399355).

It can be divided in two parts, 222 and 45133, that multiplied together give a triangular number (10019526 = T₄₄₇₆).

The spelling of 22245133 in words is "twenty-two million, two hundred forty-five thousand, one hundred thirty-three".