2221402104331 has 4 divisors (see below), whose sum is σ = 2221405117200. Its totient is φ = 2221399091464.

The previous prime is 2221402104281. The next prime is 2221402104353. The reversal of 2221402104331 is 1334012041222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2221402104331 - 2¹⁵ = 2221402071563 is a prime.

It is a super-2 number, since 2×2221402104331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221402104296 and 2221402104305.

It is not an unprimeable number, because it can be changed into a prime (2221402804331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424785 + ... + 2150173.

It is an arithmetic number, because the mean of its divisors is an integer number (555351279300).

Almost surely, 2^{2221402104331} is an apocalyptic number.

2221402104331 is a deficient number, since it is larger than the sum of its proper divisors (3012869).

2221402104331 is a wasteful number, since it uses less digits than its factorization.

2221402104331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012868.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2221402104331 its reverse (1334012041222), we get a palindrome (3555414145553).

The spelling of 2221402104331 in words is "two trillion, two hundred twenty-one billion, four hundred two million, one hundred four thousand, three hundred thirty-one".