322752222 has 64 divisors (see below), whose sum is σ = 797368320. Its totient is φ = 96098400.

The previous prime is 322752217. The next prime is 322752229. The reversal of 322752222 is 222257223.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322752229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14347 + ... + 29177.

It is an arithmetic number, because the mean of its divisors is an integer number (12458880).

Almost surely, 2^322752222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322752222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398684160).

322752222 is an abundant number, since it is smaller than the sum of its proper divisors (474616098).

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

322752222 is a wasteful number, since it uses less digits than its factorization.

322752222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14886 (or 14880 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 322752222 is about 17965.3060647460. The cubic root of 322752222 is about 685.9457141832.

The spelling of 322752222 in words is "three hundred twenty-two million, seven hundred fifty-two thousand, two hundred twenty-two".