22442440033 has 8 divisors (see below), whose sum is σ = 24564991976. Its totient is φ = 20376489600.

The previous prime is 22442440019. The next prime is 22442440037. The reversal of 22442440033 is 33004424422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 900420049 + 21542019984 = 30007^2 + 146772^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22442440033 - 2⁹ = 22442439521 is a prime.

It is a super-2 number, since 2×22442440033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22442439983 and 22442440010.

It is not an unprimeable number, because it can be changed into a prime (22442440037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14149548 + ... + 14151133.

It is an arithmetic number, because the mean of its divisors is an integer number (3070623997).

Almost surely, 2^22442440033 is an apocalyptic number.

It is an amenable number.

22442440033 is a deficient number, since it is larger than the sum of its proper divisors (2122551943).

22442440033 is a wasteful number, since it uses less digits than its factorization.

22442440033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28300755.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22442440033 its reverse (33004424422), we get a palindrome (55446864455).

The spelling of 22442440033 in words is "twenty-two billion, four hundred forty-two million, four hundred forty thousand, thirty-three".