22033745 has 4 divisors (see below), whose sum is σ = 26440500. Its totient is φ = 17626992.

The previous prime is 22033733. The next prime is 22033771. The reversal of 22033745 is 54733022.

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 14684224 + 7349521 = 3832^2 + 2711^2 .

It is a cyclic number.

It is not a de Polignac number, because 22033745 - 2⁴ = 22033729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203370 + ... + 2203379.

It is an arithmetic number, because the mean of its divisors is an integer number (6610125).

Almost surely, 2^22033745 is an apocalyptic number.

It is an amenable number.

22033745 is a deficient number, since it is larger than the sum of its proper divisors (4406755).

22033745 is an equidigital number, since it uses as much as digits as its factorization.

22033745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406754.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 22033745 is about 4694.0116105523. The cubic root of 22033745 is about 280.3471247529.

Adding to 22033745 its reverse (54733022), we get a palindrome (76766767).

The spelling of 22033745 in words is "twenty-two million, thirty-three thousand, seven hundred forty-five".