22455677 has 2 divisors, whose sum is σ = 22455678. Its totient is φ = 22455676.

The previous prime is 22455649. The next prime is 22455721. The reversal of 22455677 is 77655422.

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., 19545241 + 2910436 = 4421^2 + 1706^2 .

It is a cyclic number.

It is not a de Polignac number, because 22455677 - 2⁸ = 22455421 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22455677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22455607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227838 + 11227839.

It is an arithmetic number, because the mean of its divisors is an integer number (11227839).

Almost surely, 2^22455677 is an apocalyptic number.

It is an amenable number.

22455677 is a deficient number, since it is larger than the sum of its proper divisors (1).

22455677 is an equidigital number, since it uses as much as digits as its factorization.

22455677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 38.

The square root of 22455677 is about 4738.7421326761. The cubic root of 22455677 is about 282.1253110734.

It can be divided in two parts, 22455 and 677, that added together give a palindrome (23132).

The spelling of 22455677 in words is "twenty-two million, four hundred fifty-five thousand, six hundred seventy-seven".