622771632 has 160 divisors (see below), whose sum is σ = 2093199360. Its totient is φ = 173560320.

The previous prime is 622771627. The next prime is 622771637. The reversal of 622771632 is 236177226.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (622771627) and next prime (622771637).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (622771637) 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, 121473 + ... + 126495.

It is an arithmetic number, because the mean of its divisors is an integer number (13082496).

Almost surely, 2^622771632 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 622771632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046599680).

622771632 is an abundant number, since it is smaller than the sum of its proper divisors (1470427728).

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

622771632 is a wasteful number, since it uses less digits than its factorization.

622771632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088 (or 5076 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 622771632 is about 24955.3928440327. The cubic root of 622771632 is about 853.9706418031.

The spelling of 622771632 in words is "six hundred twenty-two million, seven hundred seventy-one thousand, six hundred thirty-two".