22048045 has 4 divisors (see below), whose sum is σ = 26457660. Its totient is φ = 17638432.

The previous prime is 22048021. The next prime is 22048049. The reversal of 22048045 is 54084022.

It is a happy number.

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 2802276 + 19245769 = 1674^2 + 4387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22048045 is a prime.

It is a super-2 number, since 2×22048045² = 972232576644050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22048049) 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, 2204800 + ... + 2204809.

It is an arithmetic number, because the mean of its divisors is an integer number (6614415).

Almost surely, 2^22048045 is an apocalyptic number.

It is an amenable number.

22048045 is a deficient number, since it is larger than the sum of its proper divisors (4409615).

22048045 is an equidigital number, since it uses as much as digits as its factorization.

22048045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409614.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 22048045 is about 4695.5345808545. The cubic root of 22048045 is about 280.4077604871.

The spelling of 22048045 in words is "twenty-two million, forty-eight thousand, forty-five".