22222033 has 4 divisors (see below), whose sum is σ = 22988340. Its totient is φ = 21455728.

The previous prime is 22221977. The next prime is 22222049. The reversal of 22222033 is 33022222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18249984 + 3972049 = 4272^2 + 1993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22221998 and 22222016.

It is not an unprimeable number, because it can be changed into a prime (22222063) 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, 383110 + ... + 383167.

It is an arithmetic number, because the mean of its divisors is an integer number (5747085).

Almost surely, 2^22222033 is an apocalyptic number.

It is an amenable number.

22222033 is a deficient number, since it is larger than the sum of its proper divisors (766307).

22222033 is an equidigital number, since it uses as much as digits as its factorization.

22222033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766306.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22222033 is about 4714.0251378201. The cubic root of 22222033 is about 281.1434237840.

Adding to 22222033 its reverse (33022222), we get a palindrome (55244255).

The spelling of 22222033 in words is "twenty-two million, two hundred twenty-two thousand, thirty-three".