2221662324 has 96 divisors (see below), whose sum is σ = 6247342080. Its totient is φ = 600283008.

The previous prime is 2221662301. The next prime is 2221662329. The reversal of 2221662324 is 4232661222.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2221662291 and 2221662300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221662329) 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, 1376542 + ... + 1378154.

It is an arithmetic number, because the mean of its divisors is an integer number (65076480).

Almost surely, 2^2221662324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221662324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3123671040).

2221662324 is an abundant number, since it is smaller than the sum of its proper divisors (4025679756).

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

2221662324 is a wasteful number, since it uses less digits than its factorization.

2221662324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2507 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 2221662324 is about 47134.5130875455. The cubic root of 2221662324 is about 1304.8462748123.

The spelling of 2221662324 in words is "two billion, two hundred twenty-one million, six hundred sixty-two thousand, three hundred twenty-four".