622223391 has 16 divisors (see below), whose sum is σ = 863220960. Its totient is φ = 398186880.

The previous prime is 622223387. The next prime is 622223401. The reversal of 622223391 is 193322226.

It is not a de Polignac number, because 622223391 - 2² = 622223387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622223291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5620 + ... + 35721.

It is an arithmetic number, because the mean of its divisors is an integer number (53951310).

Almost surely, 2^622223391 is an apocalyptic number.

622223391 is a deficient number, since it is larger than the sum of its proper divisors (240997569).

622223391 is a wasteful number, since it uses less digits than its factorization.

622223391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41546.

The product of its digits is 7776, while the sum is 30.

The square root of 622223391 is about 24944.4060061570. The cubic root of 622223391 is about 853.7199778648.

The spelling of 622223391 in words is "six hundred twenty-two million, two hundred twenty-three thousand, three hundred ninety-one".