2212442323431 has 16 divisors (see below), whose sum is σ = 3095187164160. Its totient is φ = 1403038121760.

The previous prime is 2212442323379. The next prime is 2212442323453. The reversal of 2212442323431 is 1343232442122.

It is a happy number.

It is not a de Polignac number, because 2212442323431 - 2⁷ = 2212442323303 is a prime.

It is a super-2 number, since 2×2212442323431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212442323392 and 2212442323401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212442323471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88563151 + ... + 88588128.

It is an arithmetic number, because the mean of its divisors is an integer number (193449197760).

Almost surely, 2^{2212442323431} is an apocalyptic number.

2212442323431 is a deficient number, since it is larger than the sum of its proper divisors (882744840729).

2212442323431 is a wasteful number, since it uses less digits than its factorization.

2212442323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177151486.

The product of its digits is 55296, while the sum is 33.

Adding to 2212442323431 its reverse (1343232442122), we get a palindrome (3555674765553).

The spelling of 2212442323431 in words is "two trillion, two hundred twelve billion, four hundred forty-two million, three hundred twenty-three thousand, four hundred thirty-one".