2221316332 has 6 divisors (see below), whose sum is σ = 3887303588. Its totient is φ = 1110658164.

The previous prime is 2221316299. The next prime is 2221316359. The reversal of 2221316332 is 2336131222.

It is a junction number, because it is equal to n+sod(n) for n = 2221316297 and 2221316306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277664538 + ... + 277664545.

Almost surely, 2^2221316332 is an apocalyptic number.

It is an amenable number.

2221316332 is a deficient number, since it is larger than the sum of its proper divisors (1665987256).

2221316332 is a wasteful number, since it uses less digits than its factorization.

2221316332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555329087 (or 555329085 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 2221316332 is about 47130.8426828972. The cubic root of 2221316332 is about 1304.7785342731.

Adding to 2221316332 its reverse (2336131222), we get a palindrome (4557447554).

The spelling of 2221316332 in words is "two billion, two hundred twenty-one million, three hundred sixteen thousand, three hundred thirty-two".