7622120550 has 96 divisors (see below), whose sum is σ = 20645000064. Its totient is φ = 1845664000.

The previous prime is 7622120549. The next prime is 7622120557. The reversal of 7622120550 is 550212267.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7622120557) 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, 1807945 + ... + 1812155.

It is an arithmetic number, because the mean of its divisors is an integer number (215052084).

Almost surely, 2^7622120550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7622120550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10322500032).

7622120550 is an abundant number, since it is smaller than the sum of its proper divisors (13022879514).

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

7622120550 is a wasteful number, since it uses less digits than its factorization.

7622120550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334 (or 5329 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 7622120550 is about 87304.7567432611. The cubic root of 7622120550 is about 1968.0008019570. Note that the first 3 decimals are identical.

The spelling of 7622120550 in words is "seven billion, six hundred twenty-two million, one hundred twenty thousand, five hundred fifty".