2221662003 has 48 divisors (see below), whose sum is σ = 3408175008. Its totient is φ = 1284940800.

The previous prime is 2221661989. The next prime is 2221662019. The reversal of 2221662003 is 3002661222.

It is not a de Polignac number, because 2221662003 - 2⁴ = 2221661987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221662043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 710283 + ... + 713403.

It is an arithmetic number, because the mean of its divisors is an integer number (71003646).

Almost surely, 2^2221662003 is an apocalyptic number.

2221662003 is a deficient number, since it is larger than the sum of its proper divisors (1186513005).

2221662003 is a wasteful number, since it uses less digits than its factorization.

2221662003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 3225 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2221662003 is about 47134.5096823972. The cubic root of 2221662003 is about 1304.8462119681.

The spelling of 2221662003 in words is "two billion, two hundred twenty-one million, six hundred sixty-two thousand, three".