622473081 has 32 divisors (see below), whose sum is σ = 909480960. Its totient is φ = 377450304.

The previous prime is 622473077. The next prime is 622473083. The reversal of 622473081 is 180374226.

It is not a de Polignac number, because 622473081 - 2² = 622473077 is a prime.

It is a super-2 number, since 2×622473081² = 774945473139265122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (622473083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131746 + ... + 136388.

It is an arithmetic number, because the mean of its divisors is an integer number (28421280).

Almost surely, 2^622473081 is an apocalyptic number.

It is an amenable number.

622473081 is a deficient number, since it is larger than the sum of its proper divisors (287007879).

622473081 is a wasteful number, since it uses less digits than its factorization.

622473081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 622473081 is about 24949.4104339161. The cubic root of 622473081 is about 853.8341580972.

The spelling of 622473081 in words is "six hundred twenty-two million, four hundred seventy-three thousand, eighty-one".