22247963 has 2 divisors, whose sum is σ = 22247964. Its totient is φ = 22247962.

The previous prime is 22247947. The next prime is 22248013. The reversal of 22247963 is 36974222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22247963 - 2⁴ = 22247947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22247933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11123981 + 11123982.

It is an arithmetic number, because the mean of its divisors is an integer number (11123982).

Almost surely, 2^22247963 is an apocalyptic number.

22247963 is a deficient number, since it is larger than the sum of its proper divisors (1).

22247963 is an equidigital number, since it uses as much as digits as its factorization.

22247963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 22247963 is about 4716.7746395180. The cubic root of 22247963 is about 281.2527329446.

The spelling of 22247963 in words is "twenty-two million, two hundred forty-seven thousand, nine hundred sixty-three".