2221392930 has 16 divisors (see below), whose sum is σ = 5331343104. Its totient is φ = 592371440.

The previous prime is 2221392917. The next prime is 2221392931. The reversal of 2221392930 is 392931222.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2221392891 and 2221392900.

It is not an unprimeable number, because it can be changed into a prime (2221392931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37023186 + ... + 37023245.

It is an arithmetic number, because the mean of its divisors is an integer number (333208944).

Almost surely, 2^2221392930 is an apocalyptic number.

2221392930 is an abundant number, since it is smaller than the sum of its proper divisors (3109950174).

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

2221392930 is a wasteful number, since it uses less digits than its factorization.

2221392930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74046441.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 2221392930 is about 47131.6552860177. The cubic root of 2221392930 is about 1304.7935317285.

The spelling of 2221392930 in words is "two billion, two hundred twenty-one million, three hundred ninety-two thousand, nine hundred thirty".