2221322398 has 8 divisors (see below), whose sum is σ = 3332650608. Its totient is φ = 1110438864.

The previous prime is 2221322377. The next prime is 2221322429. The reversal of 2221322398 is 8932231222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98386 + ... + 118837.

It is an arithmetic number, because the mean of its divisors is an integer number (416581326).

Almost surely, 2^2221322398 is an apocalyptic number.

2221322398 is a deficient number, since it is larger than the sum of its proper divisors (1111328210).

2221322398 is a wasteful number, since it uses less digits than its factorization.

2221322398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222338.

The product of its digits is 20736, while the sum is 34.

The square root of 2221322398 is about 47130.9070356173. The cubic root of 2221322398 is about 1304.7797219742.

The spelling of 2221322398 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred ninety-eight".