1222423101431 has 16 divisors (see below), whose sum is σ = 1508065344000. Its totient is φ = 967675255008.

The previous prime is 1222423101337. The next prime is 1222423101479. The reversal of 1222423101431 is 1341013242221.

It is a happy number.

It is not a de Polignac number, because 1222423101431 - 2³⁴ = 1205243232247 is a prime.

It is a super-2 number, since 2×1222423101431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222423101431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222423101491) 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, 130903781 + ... + 130913118.

It is an arithmetic number, because the mean of its divisors is an integer number (94254084000).

Almost surely, 2^{1222423101431} is an apocalyptic number.

1222423101431 is a deficient number, since it is larger than the sum of its proper divisors (285642242569).

1222423101431 is a wasteful number, since it uses less digits than its factorization.

1222423101431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261816958.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1222423101431 its reverse (1341013242221), we get a palindrome (2563436343652).

The spelling of 1222423101431 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-three million, one hundred one thousand, four hundred thirty-one".