22381514 has 8 divisors (see below), whose sum is σ = 33717060. Its totient is φ = 11142496.

The previous prime is 22381483. The next prime is 22381517. The reversal of 22381514 is 41518322.

It can be written as a sum of positive squares in 2 ways, for example, as 21780889 + 600625 = 4667^2 + 775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22381517) 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, 23549 + ... + 24480.

Almost surely, 2^22381514 is an apocalyptic number.

22381514 is a deficient number, since it is larger than the sum of its proper divisors (11335546).

22381514 is a wasteful number, since it uses less digits than its factorization.

22381514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48264.

The product of its digits is 1920, while the sum is 26.

The square root of 22381514 is about 4730.9104831945. The cubic root of 22381514 is about 281.8143824859.

Adding to 22381514 its reverse (41518322), we get a palindrome (63899836).

The spelling of 22381514 in words is "twenty-two million, three hundred eighty-one thousand, five hundred fourteen".