2221431002 has 32 divisors (see below), whose sum is σ = 3853516800. Its totient is φ = 940770288.

The previous prime is 2221430989. The next prime is 2221431013. The reversal of 2221431002 is 2001341222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431399 + ... + 436517.

It is an arithmetic number, because the mean of its divisors is an integer number (120422400).

Almost surely, 2^2221431002 is an apocalyptic number.

2221431002 is a deficient number, since it is larger than the sum of its proper divisors (1632085798).

2221431002 is a wasteful number, since it uses less digits than its factorization.

2221431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2221431002 is about 47132.0591741969. The cubic root of 2221431002 is about 1304.8009858826.

Adding to 2221431002 its reverse (2001341222), we get a palindrome (4222772224).

The spelling of 2221431002 in words is "two billion, two hundred twenty-one million, four hundred thirty-one thousand, two".