22361330 has 8 divisors (see below), whose sum is σ = 40250412. Its totient is φ = 8944528.

The previous prime is 22361329. The next prime is 22361363. The reversal of 22361330 is 3316322.

It can be written as a sum of positive squares in 2 ways, for example, as 21335161 + 1026169 = 4619^2 + 1013^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118057 + ... + 1118076.

Almost surely, 2^22361330 is an apocalyptic number.

22361330 is a deficient number, since it is larger than the sum of its proper divisors (17889082).

22361330 is a wasteful number, since it uses less digits than its factorization.

22361330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236140.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 22361330 is about 4728.7767974393. The cubic root of 22361330 is about 281.7296421322.

Adding to 22361330 its reverse (3316322), we get a palindrome (25677652).

The spelling of 22361330 in words is "twenty-two million, three hundred sixty-one thousand, three hundred thirty".