7227385992 has 108 divisors (see below), whose sum is σ = 20126347605. Its totient is φ = 2343003264.

The previous prime is 7227385931. The next prime is 7227386017. The reversal of 7227385992 is 2995837227.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 6521208516 + 706177476 = 80754^2 + 26574^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=60114.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31018708 + ... + 31018940.

Almost surely, 2^7227385992 is an apocalyptic number.

7227385992 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 7227385992

7227385992 is an abundant number, since it is smaller than the sum of its proper divisors (12898961613).

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

7227385992 is a wasteful number, since it uses less digits than its factorization.

7227385992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 281 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 7227385992 is about 85014.0340884962. The cubic root of 7227385992 is about 1933.4239017686.

The spelling of 7227385992 in words is "seven billion, two hundred twenty-seven million, three hundred eighty-five thousand, nine hundred ninety-two".