2221303032 has 48 divisors (see below), whose sum is σ = 6478803240. Its totient is φ = 683477568.

The previous prime is 2221303003. The next prime is 2221303081. The reversal of 2221303032 is 2303031222.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2221302996 and 2221303014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185658 + ... + 1187529.

Almost surely, 2^2221303032 is an apocalyptic number.

It is an amenable number.

2221303032 is an abundant number, since it is smaller than the sum of its proper divisors (4257500208).

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

2221303032 is a wasteful number, since it uses less digits than its factorization.

2221303032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373212 (or 2373205 counting only the distinct ones).

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

The square root of 2221303032 is about 47130.7015861211. The cubic root of 2221303032 is about 1304.7759301732.

Adding to 2221303032 its reverse (2303031222), we get a palindrome (4524334254).

The spelling of 2221303032 in words is "two billion, two hundred twenty-one million, three hundred three thousand, thirty-two".