622066433 has 2 divisors, whose sum is σ = 622066434. Its totient is φ = 622066432.

The previous prime is 622066427. The next prime is 622066463. The reversal of 622066433 is 334660226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339591184 + 282475249 = 18428^2 + 16807^2 .

It is a cyclic number.

It is not a de Polignac number, because 622066433 - 2⁶ = 622066369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622066433.

It is not a weakly prime, because it can be changed into another prime (622066463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311033216 + 311033217.

It is an arithmetic number, because the mean of its divisors is an integer number (311033217).

Almost surely, 2^622066433 is an apocalyptic number.

It is an amenable number.

622066433 is a deficient number, since it is larger than the sum of its proper divisors (1).

622066433 is an equidigital number, since it uses as much as digits as its factorization.

622066433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 622066433 is about 24941.2596514290. The cubic root of 622066433 is about 853.6481872234.

The spelling of 622066433 in words is "six hundred twenty-two million, sixty-six thousand, four hundred thirty-three".