7227666000 has 120 divisors (see below), whose sum is σ = 25243890984. Its totient is φ = 1927372800.

The previous prime is 7227665993. The next prime is 7227666001. The reversal of 7227666000 is 6667227.

It can be written as a sum of positive squares in 4 ways, for example, as 1795386384 + 5432279616 = 42372^2 + 73704^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-4 number, since 4×7227666000⁴ (a number of 41 digits) contains 4444 as substring.

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 (7227666001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182769 + ... + 218768.

Almost surely, 2^7227666000 is an apocalyptic number.

It is an amenable number.

7227666000 is an abundant number, since it is smaller than the sum of its proper divisors (18016224984).

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

7227666000 is a wasteful number, since it uses less digits than its factorization.

7227666000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401566 (or 401547 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 7227666000 is about 85015.6809065245. The cubic root of 7227666000 is about 1933.4488700936.

The spelling of 7227666000 in words is "seven billion, two hundred twenty-seven million, six hundred sixty-six thousand".