22247233 has 8 divisors (see below), whose sum is σ = 24436800. Its totient is φ = 20159568.

The previous prime is 22247231. The next prime is 22247273. The reversal of 22247233 is 33274222.

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 22247233 - 2¹ = 22247231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22247198 and 22247207.

It is not an unprimeable number, because it can be changed into a prime (22247231) 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 7 ways as a sum of consecutive naturals, for example, 25018 + ... + 25891.

It is an arithmetic number, because the mean of its divisors is an integer number (3054600).

Almost surely, 2^22247233 is an apocalyptic number.

22247233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22247233 is a deficient number, since it is larger than the sum of its proper divisors (2189567).

22247233 is a wasteful number, since it uses less digits than its factorization.

22247233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50951.

The product of its digits is 4032, while the sum is 25.

The square root of 22247233 is about 4716.6972554956. The cubic root of 22247233 is about 281.2496567568.

The spelling of 22247233 in words is "twenty-two million, two hundred forty-seven thousand, two hundred thirty-three".