22142252142231 has 32 divisors (see below), whose sum is σ = 32994103584960. Its totient is φ = 13114636975104.

The previous prime is 22142252142191. The next prime is 22142252142239. The reversal of 22142252142231 is 13224125224122.

It is a happy number.

It is not a de Polignac number, because 22142252142231 - 2²⁵ = 22142218587799 is a prime.

It is a super-2 number, since 2×22142252142231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22142252142192 and 22142252142201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142252142239) 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, 30520950 + ... + 31238003.

It is an arithmetic number, because the mean of its divisors is an integer number (1031065737030).

Almost surely, 2^{22142252142231} is an apocalyptic number.

22142252142231 is a deficient number, since it is larger than the sum of its proper divisors (10851851442729).

22142252142231 is a wasteful number, since it uses less digits than its factorization.

22142252142231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61759315.

The product of its digits is 30720, while the sum is 33.

Adding to 22142252142231 its reverse (13224125224122), we get a palindrome (35366377366353).

The spelling of 22142252142231 in words is "twenty-two trillion, one hundred forty-two billion, two hundred fifty-two million, one hundred forty-two thousand, two hundred thirty-one".