7353565221 has 8 divisors (see below), whose sum is σ = 10231047360. Its totient is φ = 4689229952.

The previous prime is 7353565213. The next prime is 7353565243. The reversal of 7353565221 is 1225653537.

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 7353565221 - 2³ = 7353565213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7353565221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7353564221) 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, 53286636 + ... + 53286773.

It is an arithmetic number, because the mean of its divisors is an integer number (1278880920).

Almost surely, 2^7353565221 is an apocalyptic number.

It is an amenable number.

7353565221 is a deficient number, since it is larger than the sum of its proper divisors (2877482139).

7353565221 is a wasteful number, since it uses less digits than its factorization.

7353565221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106573435.

The product of its digits is 189000, while the sum is 39.

The square root of 7353565221 is about 85752.9312676832. The cubic root of 7353565221 is about 1944.6106036219.

The spelling of 7353565221 in words is "seven billion, three hundred fifty-three million, five hundred sixty-five thousand, two hundred twenty-one".