22314444 has 12 divisors (see below), whose sum is σ = 52067064. Its totient is φ = 7438144.

The previous prime is 22314443. The next prime is 22314497. The reversal of 22314444 is 44441322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22314444³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (22314443) 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, 929757 + ... + 929780.

It is an arithmetic number, because the mean of its divisors is an integer number (4338922).

Almost surely, 2^22314444 is an apocalyptic number.

It is an amenable number.

22314444 is an abundant number, since it is smaller than the sum of its proper divisors (29752620).

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

22314444 is a wasteful number, since it uses less digits than its factorization.

22314444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859544 (or 1859542 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 22314444 is about 4723.8166772219. The cubic root of 22314444 is about 281.5325993078.

Adding to 22314444 its reverse (44441322), we get a palindrome (66755766).

The spelling of 22314444 in words is "twenty-two million, three hundred fourteen thousand, four hundred forty-four".