22142022531 has 4 divisors (see below), whose sum is σ = 29522696712. Its totient is φ = 14761348352.

The previous prime is 22142022523. The next prime is 22142022541. The reversal of 22142022531 is 13522024122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22142022531 - 2³ = 22142022523 is a prime.

It is a super-2 number, since 2×22142022531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22142022541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3690337086 + ... + 3690337091.

It is an arithmetic number, because the mean of its divisors is an integer number (7380674178).

Almost surely, 2^22142022531 is an apocalyptic number.

22142022531 is a deficient number, since it is larger than the sum of its proper divisors (7380674181).

22142022531 is an equidigital number, since it uses as much as digits as its factorization.

22142022531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380674180.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22142022531 its reverse (13522024122), we get a palindrome (35664046653).

It can be divided in two parts, 221420 and 22531, that added together give a triangular number (243951 = T₆₉₈).

The spelling of 22142022531 in words is "twenty-two billion, one hundred forty-two million, twenty-two thousand, five hundred thirty-one".