22842797 has 2 divisors, whose sum is σ = 22842798. Its totient is φ = 22842796.

The previous prime is 22842791. The next prime is 22842823. The reversal of 22842797 is 79724822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14969161 + 7873636 = 3869^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 22842797 - 2⁶ = 22842733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22842791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11421398 + 11421399.

It is an arithmetic number, because the mean of its divisors is an integer number (11421399).

Almost surely, 2^22842797 is an apocalyptic number.

It is an amenable number.

22842797 is a deficient number, since it is larger than the sum of its proper divisors (1).

22842797 is an equidigital number, since it uses as much as digits as its factorization.

22842797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 41.

The square root of 22842797 is about 4779.4138761986. The cubic root of 22842797 is about 283.7372967461.

The spelling of 22842797 in words is "twenty-two million, eight hundred forty-two thousand, seven hundred ninety-seven".