322223040 has 168 divisors, whose sum is σ = 1129759488. Its totient is φ = 84264960.

The previous prime is 322223029. The next prime is 322223051. The reversal of 322223040 is 40322223.

It is an interprime number because it is at equal distance from previous prime (322223029) and next prime (322223051).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151585 + ... + 153695.

Almost surely, 2^322223040 is an apocalyptic number.

322223040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564879744).

322223040 is an abundant number, since it is smaller than the sum of its proper divisors (807536448).

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

322223040 is a wasteful number, since it uses less digits than its factorization.

322223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 322223040 is about 17950.5721357287. The cubic root of 322223040 is about 685.5706187113.

Adding to 322223040 its reverse (40322223), we get a palindrome (362545263).

It can be divided in two parts, 3222 and 23040, that added together give a palindrome (26262).

The spelling of 322223040 in words is "three hundred twenty-two million, two hundred twenty-three thousand, forty".