22242131412 has 12 divisors (see below), whose sum is σ = 51898306656. Its totient is φ = 7414043800.

The previous prime is 22242131399. The next prime is 22242131413. The reversal of 22242131412 is 21413124222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22242131412² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242131413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926755464 + ... + 926755487.

It is an arithmetic number, because the mean of its divisors is an integer number (4324858888).

Almost surely, 2^22242131412 is an apocalyptic number.

It is an amenable number.

22242131412 is an abundant number, since it is smaller than the sum of its proper divisors (29656175244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22242131412 is a wasteful number, since it uses less digits than its factorization.

22242131412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853510958 (or 1853510956 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

Adding to 22242131412 its reverse (21413124222), we get a palindrome (43655255634).

The spelling of 22242131412 in words is "twenty-two billion, two hundred forty-two million, one hundred thirty-one thousand, four hundred twelve".