2221402023 has 8 divisors (see below), whose sum is σ = 3290966000. Its totient is φ = 1480934664.

The previous prime is 2221402009. The next prime is 2221402039. The reversal of 2221402023 is 3202041222.

It is not a de Polignac number, because 2221402023 - 2¹⁶ = 2221336487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221401987 and 2221402005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221402093) 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, 41137048 + ... + 41137101.

It is an arithmetic number, because the mean of its divisors is an integer number (411370750).

Almost surely, 2^2221402023 is an apocalyptic number.

2221402023 is a deficient number, since it is larger than the sum of its proper divisors (1069563977).

2221402023 is an equidigital number, since it uses as much as digits as its factorization.

2221402023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82274158 (or 82274152 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2221402023 is about 47131.7517497493. The cubic root of 2221402023 is about 1304.7953120636.

Adding to 2221402023 its reverse (3202041222), we get a palindrome (5423443245).

The spelling of 2221402023 in words is "two billion, two hundred twenty-one million, four hundred two thousand, twenty-three".