322270421155 has 4 divisors (see below), whose sum is σ = 386724505392. Its totient is φ = 257816336920.

The previous prime is 322270421129. The next prime is 322270421159. The reversal of 322270421155 is 551124072223.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 322270421155 - 2¹⁵ = 322270388387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 322270421155.

It is not an unprimeable number, because it can be changed into a prime (322270421159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32227042111 + ... + 32227042120.

It is an arithmetic number, because the mean of its divisors is an integer number (96681126348).

Almost surely, 2^322270421155 is an apocalyptic number.

322270421155 is a deficient number, since it is larger than the sum of its proper divisors (64454084237).

322270421155 is an equidigital number, since it uses as much as digits as its factorization.

322270421155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64454084236.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 322270421155 its reverse (551124072223), we get a palindrome (873394493378).

The spelling of 322270421155 in words is "three hundred twenty-two billion, two hundred seventy million, four hundred twenty-one thousand, one hundred fifty-five".