22325449 has 2 divisors, whose sum is σ = 22325450. Its totient is φ = 22325448.

The previous prime is 22325441. The next prime is 22325461. The reversal of 22325449 is 94452322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14100025 + 8225424 = 3755^2 + 2868^2 .

It is a cyclic number.

It is not a de Polignac number, because 22325449 - 2³ = 22325441 is a prime.

It is a super-3 number, since 3×22325449³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22325449.

It is not a weakly prime, because it can be changed into another prime (22325441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11162724 + 11162725.

It is an arithmetic number, because the mean of its divisors is an integer number (11162725).

Almost surely, 2^22325449 is an apocalyptic number.

It is an amenable number.

22325449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22325449 is an equidigital number, since it uses as much as digits as its factorization.

22325449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 22325449 is about 4724.9813756247. The cubic root of 22325449 is about 281.5788736263.

The spelling of 22325449 in words is "twenty-two million, three hundred twenty-five thousand, four hundred forty-nine".