22102443031 has 4 divisors (see below), whose sum is σ = 22519470312. Its totient is φ = 21685415752.

The previous prime is 22102443007. The next prime is 22102443049. The reversal of 22102443031 is 13034420122.

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 22102443031 - 2¹⁹ = 22101918743 is a prime.

It is a super-2 number, since 2×22102443031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102442993 and 22102443011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102443071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208513561 + ... + 208513666.

It is an arithmetic number, because the mean of its divisors is an integer number (5629867578).

Almost surely, 2^22102443031 is an apocalyptic number.

22102443031 is a deficient number, since it is larger than the sum of its proper divisors (417027281).

22102443031 is an equidigital number, since it uses as much as digits as its factorization.

22102443031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417027280.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22102443031 its reverse (13034420122), we get a palindrome (35136863153).

The spelling of 22102443031 in words is "twenty-two billion, one hundred two million, four hundred forty-three thousand, thirty-one".