8022457 has 2 divisors, whose sum is σ = 8022458. Its totient is φ = 8022456.

The previous prime is 8022437. The next prime is 8022491. The reversal of 8022457 is 7542208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4857616 + 3164841 = 2204^2 + 1779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8022457 is a prime.

It is not a weakly prime, because it can be changed into another prime (8022437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4011228 + 4011229.

It is an arithmetic number, because the mean of its divisors is an integer number (4011229).

Almost surely, 2^8022457 is an apocalyptic number.

It is an amenable number.

8022457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8022457 is an equidigital number, since it uses as much as digits as its factorization.

8022457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 8022457 is about 2832.3942169126. The cubic root of 8022457 is about 200.1869668292.

Subtracting from 8022457 its reverse (7542208), we obtain a square (480249 = 693²).

The spelling of 8022457 in words is "eight million, twenty-two thousand, four hundred fifty-seven".