622251672 has 128 divisors (see below), whose sum is σ = 1885286400. Its totient is φ = 167184000.

The previous prime is 622251647. The next prime is 622251673. The reversal of 622251672 is 276152226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622251673) 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, 481347 + ... + 482637.

It is an arithmetic number, because the mean of its divisors is an integer number (14728800).

Almost surely, 2^622251672 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 622251672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942643200).

622251672 is an abundant number, since it is smaller than the sum of its proper divisors (1263034728).

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

622251672 is a wasteful number, since it uses less digits than its factorization.

622251672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1473 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 622251672 is about 24944.9728803220. The cubic root of 622251672 is about 853.7329119596.

The spelling of 622251672 in words is "six hundred twenty-two million, two hundred fifty-one thousand, six hundred seventy-two".