22316442 has 16 divisors (see below), whose sum is σ = 45043680. Its totient is φ = 7370352.

The previous prime is 22316429. The next prime is 22316449. The reversal of 22316442 is 24461322.

It is a super-3 number, since 3×22316442³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22316449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16408 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (2815230).

Almost surely, 2^22316442 is an apocalyptic number.

22316442 is an abundant number, since it is smaller than the sum of its proper divisors (22727238).

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

22316442 is a wasteful number, since it uses less digits than its factorization.

22316442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34237.

The product of its digits is 2304, while the sum is 24.

The square root of 22316442 is about 4724.0281540228. The cubic root of 22316442 is about 281.5410017182.

Adding to 22316442 its reverse (24461322), we get a palindrome (46777764).

The spelling of 22316442 in words is "twenty-two million, three hundred sixteen thousand, four hundred forty-two".