22045033 has 4 divisors (see below), whose sum is σ = 22292820. Its totient is φ = 21797248.

The previous prime is 22044991. The next prime is 22045087. The reversal of 22045033 is 33054022.

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 14160169 + 7884864 = 3763^2 + 2808^2 .

It is a cyclic number.

It is not a de Polignac number, because 22045033 - 2¹³ = 22036841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22045033.

It is not an unprimeable number, because it can be changed into a prime (22045333) 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, 123760 + ... + 123937.

It is an arithmetic number, because the mean of its divisors is an integer number (5573205).

Almost surely, 2^22045033 is an apocalyptic number.

It is an amenable number.

22045033 is a deficient number, since it is larger than the sum of its proper divisors (247787).

22045033 is an equidigital number, since it uses as much as digits as its factorization.

22045033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247786.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22045033 is about 4695.2138396456. The cubic root of 22045033 is about 280.3949910006.

Adding to 22045033 its reverse (33054022), we get a palindrome (55099055).

The spelling of 22045033 in words is "twenty-two million, forty-five thousand, thirty-three".