22214874 has 48 divisors (see below), whose sum is σ = 50216544. Its totient is φ = 6541920.

The previous prime is 22214873. The next prime is 22214893. The reversal of 22214874 is 47841222.

It is not an unprimeable number, because it can be changed into a prime (22214873) 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, 26449 + ... + 27275.

It is an arithmetic number, because the mean of its divisors is an integer number (1046178).

Almost surely, 2^22214874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22214874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25108272).

22214874 is an abundant number, since it is smaller than the sum of its proper divisors (28001670).

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

22214874 is a wasteful number, since it uses less digits than its factorization.

22214874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 880 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 22214874 is about 4713.2657468044. The cubic root of 22214874 is about 281.1132296977.

It can be divided in two parts, 222148 and 74, that added together give a palindrome (222222).

The spelling of 22214874 in words is "twenty-two million, two hundred fourteen thousand, eight hundred seventy-four".