622888433 has 2 divisors, whose sum is σ = 622888434. Its totient is φ = 622888432.

The previous prime is 622888423. The next prime is 622888459. The reversal of 622888433 is 334888226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575664049 + 47224384 = 23993^2 + 6872^2 .

It is a cyclic number.

It is not a de Polignac number, because 622888433 - 2²² = 618694129 is a prime.

It is not a weakly prime, because it can be changed into another prime (622888423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311444216 + 311444217.

It is an arithmetic number, because the mean of its divisors is an integer number (311444217).

Almost surely, 2^622888433 is an apocalyptic number.

It is an amenable number.

622888433 is a deficient number, since it is larger than the sum of its proper divisors (1).

622888433 is an equidigital number, since it uses as much as digits as its factorization.

622888433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 44.

The square root of 622888433 is about 24957.7329298957. The cubic root of 622888433 is about 854.0240259463.

The spelling of 622888433 in words is "six hundred twenty-two million, eight hundred eighty-eight thousand, four hundred thirty-three".