22455379 has 2 divisors, whose sum is σ = 22455380. Its totient is φ = 22455378.

The previous prime is 22455373. The next prime is 22455409. The reversal of 22455379 is 97355422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22455379 is a prime.

It is not a weakly prime, because it can be changed into another prime (22455373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227689 + 11227690.

It is an arithmetic number, because the mean of its divisors is an integer number (11227690).

Almost surely, 2^22455379 is an apocalyptic number.

22455379 is a deficient number, since it is larger than the sum of its proper divisors (1).

22455379 is an equidigital number, since it uses as much as digits as its factorization.

22455379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 22455379 is about 4738.7106896286. The cubic root of 22455379 is about 282.1240630785.

The spelling of 22455379 in words is "twenty-two million, four hundred fifty-five thousand, three hundred seventy-nine".