22088933 has 4 divisors (see below), whose sum is σ = 23388300. Its totient is φ = 20789568.

The previous prime is 22088929. The next prime is 22088987. The reversal of 22088933 is 33988022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33988022 = 2 ⋅16994011.

It can be written as a sum of positive squares in 2 ways, for example, as 15108769 + 6980164 = 3887^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 22088933 - 2² = 22088929 is a prime.

It is a super-2 number, since 2×22088933² = 975841922156978, 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 = 22088893 and 22088902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22088233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649658 + ... + 649691.

It is an arithmetic number, because the mean of its divisors is an integer number (5847075).

Almost surely, 2^22088933 is an apocalyptic number.

It is an amenable number.

22088933 is a deficient number, since it is larger than the sum of its proper divisors (1299367).

22088933 is a wasteful number, since it uses less digits than its factorization.

22088933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299366.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 22088933 is about 4699.8864879910. The cubic root of 22088933 is about 280.5809917546.

The spelling of 22088933 in words is "twenty-two million, eighty-eight thousand, nine hundred thirty-three".