322270228665 has 64 divisors (see below), whose sum is σ = 714295941120. Its totient is φ = 133930480320.

The previous prime is 322270228663. The next prime is 322270228669. The reversal of 322270228665 is 566822072223.

It is a happy number.

It is not a de Polignac number, because 322270228665 - 2¹ = 322270228663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 322270228665.

It is not an unprimeable number, because it can be changed into a prime (322270228661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15490819 + ... + 15511608.

It is an arithmetic number, because the mean of its divisors is an integer number (11160874080).

Almost surely, 2^322270228665 is an apocalyptic number.

322270228665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

322270228665 is an abundant number, since it is smaller than the sum of its proper divisors (392025712455).

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

322270228665 is a wasteful number, since it uses less digits than its factorization.

322270228665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31002459 (or 31002453 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 322270228665 in words is "three hundred twenty-two billion, two hundred seventy million, two hundred twenty-eight thousand, six hundred sixty-five".