22012033 has 4 divisors (see below), whose sum is σ = 22372948. Its totient is φ = 21651120.

The previous prime is 22012031. The next prime is 22012037. The reversal of 22012033 is 33021022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33021022 = 2 ⋅16510511.

It can be written as a sum of positive squares in 2 ways, for example, as 10909809 + 11102224 = 3303^2 + 3332^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012033 - 2¹ = 22012031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012031) 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, 180366 + ... + 180487.

It is an arithmetic number, because the mean of its divisors is an integer number (5593237).

Almost surely, 2^22012033 is an apocalyptic number.

It is an amenable number.

22012033 is a deficient number, since it is larger than the sum of its proper divisors (360915).

22012033 is an equidigital number, since it uses as much as digits as its factorization.

22012033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360914.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22012033 is about 4691.6983065837. The cubic root of 22012033 is about 280.2550100260.

Adding to 22012033 its reverse (33021022), we get a palindrome (55033055).

The spelling of 22012033 in words is "twenty-two million, twelve thousand, thirty-three".