622771422 has 48 divisors (see below), whose sum is σ = 1541416320. Its totient is φ = 164245536.

The previous prime is 622771403. The next prime is 622771423. The reversal of 622771422 is 224177226.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622771423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36772 + ... + 50967.

It is an arithmetic number, because the mean of its divisors is an integer number (32112840).

Almost surely, 2^622771422 is an apocalyptic number.

622771422 is an abundant number, since it is smaller than the sum of its proper divisors (918644898).

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

622771422 is a wasteful number, since it uses less digits than its factorization.

622771422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87777 (or 87764 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 622771422 is about 24955.3886365250. The cubic root of 622771422 is about 853.9705458162.

The spelling of 622771422 in words is "six hundred twenty-two million, seven hundred seventy-one thousand, four hundred twenty-two".