7221052000 has 48 divisors (see below), whose sum is σ = 17742134592. Its totient is φ = 2888419200.

The previous prime is 7221051989. The next prime is 7221052001. The reversal of 7221052000 is 2501227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221052001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898632 + ... + 906631.

It is an arithmetic number, because the mean of its divisors is an integer number (369627804).

Almost surely, 2^7221052000 is an apocalyptic number.

It is an amenable number.

7221052000 is an abundant number, since it is smaller than the sum of its proper divisors (10521082592).

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

7221052000 is a wasteful number, since it uses less digits than its factorization.

7221052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805288 (or 1805270 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7221052000 is about 84976.7732971781. The cubic root of 7221052000 is about 1932.8589270653.

Adding to 7221052000 its reverse (2501227), we get a palindrome (7223553227).

The spelling of 7221052000 in words is "seven billion, two hundred twenty-one million, fifty-two thousand".