7225671504221 has 8 divisors (see below), whose sum is σ = 7421610008064. Its totient is φ = 7029767215440.

The previous prime is 7225671504211. The next prime is 7225671504347. The reversal of 7225671504221 is 1224051765227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7225671504221 - 2⁶ = 7225671504157 is a prime.

It is a super-2 number, since 2×7225671504221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225671504211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8125385 + ... + 8970686.

It is an arithmetic number, because the mean of its divisors is an integer number (927701251008).

Almost surely, 2^{7225671504221} is an apocalyptic number.

It is an amenable number.

7225671504221 is a deficient number, since it is larger than the sum of its proper divisors (195938503843).

7225671504221 is a wasteful number, since it uses less digits than its factorization.

7225671504221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17107531.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 7225671504221 in words is "seven trillion, two hundred twenty-five billion, six hundred seventy-one million, five hundred four thousand, two hundred twenty-one".