22012110 has 48 divisors (see below), whose sum is σ = 60602256. Its totient is φ = 5524224.

The previous prime is 22012099. The next prime is 22012117. The reversal of 22012110 is 1121022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22012092 and 22012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5664 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (1262547).

Almost surely, 2^22012110 is an apocalyptic number.

22012110 is an abundant number, since it is smaller than the sum of its proper divisors (38590146).

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

22012110 is a wasteful number, since it uses less digits than its factorization.

22012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14417 (or 14414 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 22012110 is about 4691.7065125602. The cubic root of 22012110 is about 280.2553368111.

Adding to 22012110 its reverse (1121022), we get a palindrome (23133132).

It can be divided in two parts, 22012 and 110, that added together give a palindrome (22122).

The spelling of 22012110 in words is "twenty-two million, twelve thousand, one hundred ten".