2221032330 has 48 divisors (see below), whose sum is σ = 6299658144. Its totient is φ = 538431840.

The previous prime is 2221032323. The next prime is 2221032349. The reversal of 2221032330 is 332301222.

It is a happy number.

It is a super-2 number, since 2×2221032330² = 9865969221810457800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1120744 + ... + 1122723.

It is an arithmetic number, because the mean of its divisors is an integer number (131242878).

Almost surely, 2^2221032330 is an apocalyptic number.

2221032330 is an abundant number, since it is smaller than the sum of its proper divisors (4078625814).

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

2221032330 is a wasteful number, since it uses less digits than its factorization.

2221032330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243491 (or 2243488 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2221032330 is about 47127.8296763176. The cubic root of 2221032330 is about 1304.7229252781.

Adding to 2221032330 its reverse (332301222), we get a palindrome (2553333552).

The spelling of 2221032330 in words is "two billion, two hundred twenty-one million, thirty-two thousand, three hundred thirty".