320225666622421 has 8 divisors (see below), whose sum is σ = 372877326094464. Its totient is φ = 269300291067600.

The previous prime is 320225666622401. The next prime is 320225666622427. The reversal of 320225666622421 is 124226666522023.

It is a happy number.

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 320225666622421 - 2⁹ = 320225666621909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320225666622427) 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, 431570978905 + ... + 431570979646.

It is an arithmetic number, because the mean of its divisors is an integer number (46609665761808).

Almost surely, 2^{320225666622421} is an apocalyptic number.

It is an amenable number.

320225666622421 is a deficient number, since it is larger than the sum of its proper divisors (52651659472043).

320225666622421 is an equidigital number, since it uses as much as digits as its factorization.

320225666622421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863141958611.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 320225666622421 in words is "three hundred twenty trillion, two hundred twenty-five billion, six hundred sixty-six million, six hundred twenty-two thousand, four hundred twenty-one".