622933247 has 2 divisors, whose sum is σ = 622933248. Its totient is φ = 622933246.

The previous prime is 622933243. The next prime is 622933277. The reversal of 622933247 is 742339226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622933247 - 2² = 622933243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622933247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622933243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311466623 + 311466624.

It is an arithmetic number, because the mean of its divisors is an integer number (311466624).

Almost surely, 2^622933247 is an apocalyptic number.

622933247 is a deficient number, since it is larger than the sum of its proper divisors (1).

622933247 is an equidigital number, since it uses as much as digits as its factorization.

622933247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The square root of 622933247 is about 24958.6307116396. The cubic root of 622933247 is about 854.0445065079.

The spelling of 622933247 in words is "six hundred twenty-two million, nine hundred thirty-three thousand, two hundred forty-seven".