22363331 has 4 divisors (see below), whose sum is σ = 22669752. Its totient is φ = 22056912.

The previous prime is 22363309. The next prime is 22363349. The reversal of 22363331 is 13336322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13336322 = 2 ⋅6668161.

It is a cyclic number.

It is not a de Polignac number, because 22363331 - 2⁶ = 22363267 is a prime.

It is a super-2 number, since 2×22363331² = 1000237146831122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22363297 and 22363306.

It is not an unprimeable number, because it can be changed into a prime (22363351) by changing a digit.

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, 153101 + ... + 153246.

It is an arithmetic number, because the mean of its divisors is an integer number (5667438).

Almost surely, 2^22363331 is an apocalyptic number.

22363331 is a deficient number, since it is larger than the sum of its proper divisors (306421).

22363331 is an equidigital number, since it uses as much as digits as its factorization.

22363331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306420.

The product of its digits is 1944, while the sum is 23.

The square root of 22363331 is about 4728.9883696199. The cubic root of 22363331 is about 281.7380453920.

Adding to 22363331 its reverse (13336322), we get a palindrome (35699653).

The spelling of 22363331 in words is "twenty-two million, three hundred sixty-three thousand, three hundred thirty-one".