22212143031 has 24 divisors (see below), whose sum is σ = 32107824336. Its totient is φ = 13652720640.

The previous prime is 22212143029. The next prime is 22212143039. The reversal of 22212143031 is 13034121222.

It is not a de Polignac number, because 22212143031 - 2¹ = 22212143029 is a prime.

It is a super-2 number, since 2×22212143031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22212142989 and 22212143007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212143039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406791 + ... + 458151.

It is an arithmetic number, because the mean of its divisors is an integer number (1337826014).

Almost surely, 2^22212143031 is an apocalyptic number.

22212143031 is a deficient number, since it is larger than the sum of its proper divisors (9895681305).

22212143031 is a wasteful number, since it uses less digits than its factorization.

22212143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52243 (or 52230 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22212143031 its reverse (13034121222), we get a palindrome (35246264253).

The spelling of 22212143031 in words is "twenty-two billion, two hundred twelve million, one hundred forty-three thousand, thirty-one".