2221030402 has 64 divisors (see below), whose sum is σ = 3645886464. Its totient is φ = 1012677120.

The previous prime is 2221030391. The next prime is 2221030417. The reversal of 2221030402 is 2040301222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11274168 + ... + 11274364.

It is an arithmetic number, because the mean of its divisors is an integer number (56966976).

Almost surely, 2^2221030402 is an apocalyptic number.

2221030402 is a deficient number, since it is larger than the sum of its proper divisors (1424856062).

2221030402 is a wasteful number, since it uses less digits than its factorization.

2221030402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2221030402 is about 47127.8092213080. The cubic root of 2221030402 is about 1304.7225477500.

Adding to 2221030402 its reverse (2040301222), we get a palindrome (4261331624).

The spelling of 2221030402 in words is "two billion, two hundred twenty-one million, thirty thousand, four hundred two".