7622440100 has 144 divisors (see below), whose sum is σ = 18461943360. Its totient is φ = 2708275200.

The previous prime is 7622440099. The next prime is 7622440117. The reversal of 7622440100 is 10442267.

It is a self number, because there is not a number n which added to its sum of digits gives 7622440100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16679072 + ... + 16679528.

It is an arithmetic number, because the mean of its divisors is an integer number (128207940).

Almost surely, 2^7622440100 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 7622440100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9230971680).

7622440100 is an abundant number, since it is smaller than the sum of its proper divisors (10839503260).

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

7622440100 is a wasteful number, since it uses less digits than its factorization.

7622440100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 7622440100 is about 87306.5868076401. The cubic root of 7622440100 is about 1968.0283037467.

Adding to 7622440100 its reverse (10442267), we get a palindrome (7632882367).

The spelling of 7622440100 in words is "seven billion, six hundred twenty-two million, four hundred forty thousand, one hundred".