622222207 has 2 divisors, whose sum is σ = 622222208. Its totient is φ = 622222206.

The previous prime is 622222187. The next prime is 622222247. The reversal of 622222207 is 702222226.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622222207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622222247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311111103 + 311111104.

It is an arithmetic number, because the mean of its divisors is an integer number (311111104).

Almost surely, 2^622222207 is an apocalyptic number.

622222207 is a deficient number, since it is larger than the sum of its proper divisors (1).

622222207 is an equidigital number, since it uses as much as digits as its factorization.

622222207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 622222207 is about 24944.3822733697. The cubic root of 622222207 is about 853.7194363631.

The spelling of 622222207 in words is "six hundred twenty-two million, two hundred twenty-two thousand, two hundred seven".