1222440512331 has 16 divisors (see below), whose sum is σ = 1661596377120. Its totient is φ = 799139577600.

The previous prime is 1222440512297. The next prime is 1222440512347. The reversal of 1222440512331 is 1332150442221.

It is a happy number.

It is not a de Polignac number, because 1222440512331 - 2¹⁷ = 1222440381259 is a prime.

It is a super-2 number, since 2×1222440512331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222440512351) 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, 1848096 + ... + 2420813.

It is an arithmetic number, because the mean of its divisors is an integer number (103849773570).

Almost surely, 2^{1222440512331} is an apocalyptic number.

1222440512331 is a deficient number, since it is larger than the sum of its proper divisors (439155864789).

1222440512331 is a wasteful number, since it uses less digits than its factorization.

1222440512331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270766.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1222440512331 its reverse (1332150442221), we get a palindrome (2554590954552).

The spelling of 1222440512331 in words is "one trillion, two hundred twenty-two billion, four hundred forty million, five hundred twelve thousand, three hundred thirty-one".