322225145312 has 24 divisors (see below), whose sum is σ = 725006577456. Its totient is φ = 138096490752.

The previous prime is 322225145311. The next prime is 322225145323. The reversal of 322225145312 is 213541522223.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322225145311) 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, 719252333 + ... + 719252780.

It is an arithmetic number, because the mean of its divisors is an integer number (30208607394).

Almost surely, 2^322225145312 is an apocalyptic number.

322225145312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

322225145312 is an abundant number, since it is smaller than the sum of its proper divisors (402781432144).

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

322225145312 is a wasteful number, since it uses less digits than its factorization.

322225145312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438505130 (or 1438505122 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 322225145312 its reverse (213541522223), we get a palindrome (535766667535).

The spelling of 322225145312 in words is "three hundred twenty-two billion, two hundred twenty-five million, one hundred forty-five thousand, three hundred twelve".