22361830 has 8 divisors (see below), whose sum is σ = 40251312. Its totient is φ = 8944728.

The previous prime is 22361821. The next prime is 22361837. The reversal of 22361830 is 3816322.

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

It is a junction number, because it is equal to n+sod(n) for n = 22361795 and 22361804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22361837) 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, 1118082 + ... + 1118101.

It is an arithmetic number, because the mean of its divisors is an integer number (5031414).

Almost surely, 2^22361830 is an apocalyptic number.

22361830 is a deficient number, since it is larger than the sum of its proper divisors (17889482).

22361830 is a wasteful number, since it uses less digits than its factorization.

22361830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236190.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22361830 is about 4728.8296649382. The cubic root of 22361830 is about 281.7317419443.

The spelling of 22361830 in words is "twenty-two million, three hundred sixty-one thousand, eight hundred thirty".