622222739 has 2 divisors, whose sum is σ = 622222740. Its totient is φ = 622222738.

The previous prime is 622222681. The next prime is 622222751. The reversal of 622222739 is 937222226.

622222739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622222739 - 2¹⁶ = 622157203 is a prime.

It is a super-2 number, since 2×622222739² = 774322273857324242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 622222699 and 622222708.

It is not a weakly prime, because it can be changed into another prime (622222039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311111369 + 311111370.

It is an arithmetic number, because the mean of its divisors is an integer number (311111370).

Almost surely, 2^622222739 is an apocalyptic number.

622222739 is a deficient number, since it is larger than the sum of its proper divisors (1).

622222739 is an equidigital number, since it uses as much as digits as its factorization.

622222739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 622222739 is about 24944.3929370911. The cubic root of 622222739 is about 853.7196796731.

The spelling of 622222739 in words is "six hundred twenty-two million, two hundred twenty-two thousand, seven hundred thirty-nine".