22061045 has 8 divisors (see below), whose sum is σ = 26608824. Its totient is φ = 17558464.

The previous prime is 22061041. The next prime is 22061047. The reversal of 22061045 is 54016022.

22061045 = 11² + 12² + ... + 404².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14432401 + 7628644 = 3799^2 + 2762^2 .

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 22061045 - 2² = 22061041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061041) 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, 10214 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (3326103).

Almost surely, 2^22061045 is an apocalyptic number.

It is an amenable number.

22061045 is a deficient number, since it is larger than the sum of its proper divisors (4547779).

22061045 is a wasteful number, since it uses less digits than its factorization.

22061045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22599.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22061045 is about 4696.9186707883. The cubic root of 22061045 is about 280.4628611347.

Adding to 22061045 its reverse (54016022), we get a palindrome (76077067).

The spelling of 22061045 in words is "twenty-two million, sixty-one thousand, forty-five".