622777896 has 192 divisors, whose sum is σ = 1984382400. Its totient is φ = 181398528.

The previous prime is 622777891. The next prime is 622777913. The reversal of 622777896 is 698777226.

622777896 is a `hidden beast` number, since 622 + 7 + 7 + 7 + 8 + 9 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622777891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 479520 + ... + 480816.

It is an arithmetic number, because the mean of its divisors is an integer number (10335325).

Almost surely, 2^622777896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622777896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992191200).

622777896 is an abundant number, since it is smaller than the sum of its proper divisors (1361604504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622777896 is a wasteful number, since it uses less digits than its factorization.

622777896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1334 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 622777896 is about 24955.5183476521. The cubic root of 622777896 is about 853.9735049469.

The spelling of 622777896 in words is "six hundred twenty-two million, seven hundred seventy-seven thousand, eight hundred ninety-six".