22114220 has 12 divisors (see below), whose sum is σ = 46439904. Its totient is φ = 8845680.

The previous prime is 22114217. The next prime is 22114223. The reversal of 22114220 is 2241122.

It is an interprime number because it is at equal distance from previous prime (22114217) and next prime (22114223).

It is a junction number, because it is equal to n+sod(n) for n = 22114195 and 22114204.

It is not an unprimeable number, because it can be changed into a prime (22114223) 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, 552836 + ... + 552875.

It is an arithmetic number, because the mean of its divisors is an integer number (3869992).

Almost surely, 2^22114220 is an apocalyptic number.

22114220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22114220 is an abundant number, since it is smaller than the sum of its proper divisors (24325684).

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

22114220 is a wasteful number, since it uses less digits than its factorization.

22114220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105720 (or 1105718 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22114220 is about 4702.5758898714. The cubic root of 22114220 is about 280.6880188925.

Adding to 22114220 its reverse (2241122), we get a palindrome (24355342).

It can be divided in two parts, 221 and 14220, that added together give a palindrome (14441).

The spelling of 22114220 in words is "twenty-two million, one hundred fourteen thousand, two hundred twenty".