7622422272 has 144 divisors (see below), whose sum is σ = 23521370880. Its totient is φ = 2430286848.

The previous prime is 7622422267. The next prime is 7622422273. The reversal of 7622422272 is 2722242267.

7622422272 is a `hidden beast` number, since 7 + 622 + 4 + 2 + 2 + 27 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7622422273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135003 + ... + 182949.

Almost surely, 2^7622422272 is an apocalyptic number.

7622422272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7622422272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11760685440).

7622422272 is an abundant number, since it is smaller than the sum of its proper divisors (15898948608).

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

7622422272 is a wasteful number, since it uses less digits than its factorization.

7622422272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47995 (or 47975 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 7622422272 is about 87306.4847076092. The cubic root of 7622422272 is about 1968.0267694158.

The spelling of 7622422272 in words is "seven billion, six hundred twenty-two million, four hundred twenty-two thousand, two hundred seventy-two".