22569061 has 4 divisors (see below), whose sum is σ = 22699692. Its totient is φ = 22438432.

The previous prime is 22569059. The next prime is 22569067. The reversal of 22569061 is 16096522.

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 20304036 + 2265025 = 4506^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 22569061 - 2¹ = 22569059 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22569067) 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, 65056 + ... + 65401.

It is an arithmetic number, because the mean of its divisors is an integer number (5674923).

Almost surely, 2^22569061 is an apocalyptic number.

It is an amenable number.

22569061 is a deficient number, since it is larger than the sum of its proper divisors (130631).

22569061 is a wasteful number, since it uses less digits than its factorization.

22569061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130630.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 22569061 is about 4750.6905813787. The cubic root of 22569061 is about 282.5993531555.

The spelling of 22569061 in words is "twenty-two million, five hundred sixty-nine thousand, sixty-one".