22125377 has 2 divisors, whose sum is σ = 22125378. Its totient is φ = 22125376.

The previous prime is 22125319. The next prime is 22125403. The reversal of 22125377 is 77352122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 9480241 = 3556^2 + 3079^2 .

It is a cyclic number.

It is not a de Polignac number, because 22125377 - 2²⁰ = 21076801 is a prime.

It is a Chen prime.

It is equal to p_1396631 and since 22125377 and 1396631 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22125317) 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, 11062688 + 11062689.

It is an arithmetic number, because the mean of its divisors is an integer number (11062689).

Almost surely, 2^22125377 is an apocalyptic number.

It is an amenable number.

22125377 is a deficient number, since it is larger than the sum of its proper divisors (1).

22125377 is an equidigital number, since it uses as much as digits as its factorization.

22125377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 29.

The square root of 22125377 is about 4703.7620050338. The cubic root of 22125377 is about 280.7352149157.

Adding to 22125377 its reverse (77352122), we get a palindrome (99477499).

The spelling of 22125377 in words is "twenty-two million, one hundred twenty-five thousand, three hundred seventy-seven".