7242230287721 has 32 divisors (see below), whose sum is σ = 8923351143168. Its totient is φ = 5783652483840.

The previous prime is 7242230287711. The next prime is 7242230287739. The reversal of 7242230287721 is 1277820322427.

It is not a de Polignac number, because 7242230287721 - 2⁶ = 7242230287657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7242230287711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4940786 + ... + 6236651.

It is an arithmetic number, because the mean of its divisors is an integer number (278854723224).

Almost surely, 2^{7242230287721} is an apocalyptic number.

It is an amenable number.

7242230287721 is a deficient number, since it is larger than the sum of its proper divisors (1681120855447).

7242230287721 is a wasteful number, since it uses less digits than its factorization.

7242230287721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177681.

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 7242230287721 in words is "seven trillion, two hundred forty-two billion, two hundred thirty million, two hundred eighty-seven thousand, seven hundred twenty-one".