2221402423131 has 12 divisors (see below), whose sum is σ = 3208705769880. Its totient is φ = 1480928772960.

The previous prime is 2221402423129. The next prime is 2221402423147. The reversal of 2221402423131 is 1313242041222.

2221402423131 is a `hidden beast` number, since 2 + 2 + 21 + 402 + 4 + 231 + 3 + 1 = 666.

It is not a de Polignac number, because 2221402423131 - 2¹ = 2221402423129 is a prime.

It is a super-2 number, since 2×2221402423131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221402423095 and 2221402423104.

It is not an unprimeable number, because it can be changed into a prime (2221402423181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3098476 + ... + 3747446.

It is an arithmetic number, because the mean of its divisors is an integer number (267392147490).

Almost surely, 2^{2221402423131} is an apocalyptic number.

2221402423131 is a deficient number, since it is larger than the sum of its proper divisors (987303346749).

2221402423131 is a wasteful number, since it uses less digits than its factorization.

2221402423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029306 (or 1029303 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2221402423131 its reverse (1313242041222), we get a palindrome (3534644464353).

The spelling of 2221402423131 in words is "two trillion, two hundred twenty-one billion, four hundred two million, four hundred twenty-three thousand, one hundred thirty-one".