1222343140431 has 32 divisors (see below), whose sum is σ = 1881957851136. Its totient is φ = 691236000000.

The previous prime is 1222343140411. The next prime is 1222343140433. The reversal of 1222343140431 is 1340413432221.

It is not a de Polignac number, because 1222343140431 - 2¹¹ = 1222343138383 is a prime.

It is a super-2 number, since 2×1222343140431² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222343140433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4340931 + ... + 4613931.

It is an arithmetic number, because the mean of its divisors is an integer number (58811182848).

Almost surely, 2^{1222343140431} is an apocalyptic number.

1222343140431 is a deficient number, since it is larger than the sum of its proper divisors (659614710705).

1222343140431 is a wasteful number, since it uses less digits than its factorization.

1222343140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275223.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1222343140431 its reverse (1340413432221), we get a palindrome (2562756572652).

The spelling of 1222343140431 in words is "one trillion, two hundred twenty-two billion, three hundred forty-three million, one hundred forty thousand, four hundred thirty-one".