22451033 has 16 divisors (see below), whose sum is σ = 26101440. Its totient is φ = 19084800.

The previous prime is 22451029. The next prime is 22451041. The reversal of 22451033 is 33015422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22451033 - 2² = 22451029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22450996 and 22451014.

It is not an unprimeable number, because it can be changed into a prime (22451003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39173 + ... + 39741.

It is an arithmetic number, because the mean of its divisors is an integer number (1631340).

Almost surely, 2^22451033 is an apocalyptic number.

It is an amenable number.

22451033 is a deficient number, since it is larger than the sum of its proper divisors (3650407).

22451033 is a wasteful number, since it uses less digits than its factorization.

22451033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22451033 is about 4738.2521038881. The cubic root of 22451033 is about 282.1058611993.

Adding to 22451033 its reverse (33015422), we get a palindrome (55466455).

The spelling of 22451033 in words is "twenty-two million, four hundred fifty-one thousand, thirty-three".