22000231 has 8 divisors (see below), whose sum is σ = 24586128. Its totient is φ = 19512000.

The previous prime is 22000211. The next prime is 22000243. The reversal of 22000231 is 13200022.

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

It is a cyclic number.

It is not a de Polignac number, because 22000231 - 2⁷ = 22000103 is a prime.

It is a super-2 number, since 2×22000231² = 968020328106722, which contains 22 as substring.

It is a Duffinian number.

22000231 is a modest number, since divided by 231 gives 22 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23940 + ... + 24841.

It is an arithmetic number, because the mean of its divisors is an integer number (3073266).

Almost surely, 2^22000231 is an apocalyptic number.

22000231 is a deficient number, since it is larger than the sum of its proper divisors (2585897).

22000231 is a wasteful number, since it uses less digits than its factorization.

22000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48833.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22000231 is about 4690.4403844415. The cubic root of 22000231 is about 280.2049137759.

Adding to 22000231 its reverse (13200022), we get a palindrome (35200253).

The spelling of 22000231 in words is "twenty-two million, two hundred thirty-one", and thus it is an aban number.