22142431407 has 8 divisors (see below), whose sum is σ = 30806861184. Its totient is φ = 14119811288.

The previous prime is 22142431403. The next prime is 22142431427. The reversal of 22142431407 is 70413424122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22142431407 - 2² = 22142431403 is a prime.

It is a super-2 number, since 2×22142431407² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142431403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160452333 + ... + 160452470.

It is an arithmetic number, because the mean of its divisors is an integer number (3850857648).

Almost surely, 2^22142431407 is an apocalyptic number.

22142431407 is a deficient number, since it is larger than the sum of its proper divisors (8664429777).

22142431407 is a wasteful number, since it uses less digits than its factorization.

22142431407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320904829.

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 22142431407 its reverse (70413424122), we get a palindrome (92555855529).

The spelling of 22142431407 in words is "twenty-two billion, one hundred forty-two million, four hundred thirty-one thousand, four hundred seven".