22248533 has 4 divisors (see below), whose sum is σ = 22530240. Its totient is φ = 21966828.

The previous prime is 22248511. The next prime is 22248557. The reversal of 22248533 is 33584222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22248533 - 2²² = 18054229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22248496 and 22248505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22248593) 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, 140735 + ... + 140892.

It is an arithmetic number, because the mean of its divisors is an integer number (5632560).

Almost surely, 2^22248533 is an apocalyptic number.

It is an amenable number.

22248533 is a deficient number, since it is larger than the sum of its proper divisors (281707).

22248533 is an equidigital number, since it uses as much as digits as its factorization.

22248533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281706.

The product of its digits is 11520, while the sum is 29.

The square root of 22248533 is about 4716.8350617761. The cubic root of 22248533 is about 281.2551348528.

The spelling of 22248533 in words is "twenty-two million, two hundred forty-eight thousand, five hundred thirty-three".