22655443 has 2 divisors, whose sum is σ = 22655444. Its totient is φ = 22655442.

The previous prime is 22655419. The next prime is 22655489. The reversal of 22655443 is 34455622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22655443 is a prime.

It is not a weakly prime, because it can be changed into another prime (22659443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11327721 + 11327722.

It is an arithmetic number, because the mean of its divisors is an integer number (11327722).

Almost surely, 2^22655443 is an apocalyptic number.

22655443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22655443 is an equidigital number, since it uses as much as digits as its factorization.

22655443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 22655443 is about 4759.7734189770. The cubic root of 22655443 is about 282.9594393043.

The spelling of 22655443 in words is "twenty-two million, six hundred fifty-five thousand, four hundred forty-three".