2222249328 has 120 divisors (see below), whose sum is σ = 6988948512. Its totient is φ = 654027264.

The previous prime is 2222249297. The next prime is 2222249363. The reversal of 2222249328 is 8239422222.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 = 2222249292 and 2222249301.

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, 17250 + ... + 68862.

Almost surely, 2^2222249328 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 2222249328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3494474256).

2222249328 is an abundant number, since it is smaller than the sum of its proper divisors (4766699184).

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

2222249328 is a wasteful number, since it uses less digits than its factorization.

2222249328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51663 (or 51654 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 2222249328 is about 47140.7395784156. The cubic root of 2222249328 is about 1304.9611861447.

The spelling of 2222249328 in words is "two billion, two hundred twenty-two million, two hundred forty-nine thousand, three hundred twenty-eight".