22052566 has 8 divisors (see below), whose sum is σ = 33250824. Its totient is φ = 10968960.

The previous prime is 22052551. The next prime is 22052567. The reversal of 22052566 is 66525022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052567) 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, 28180 + ... + 28951.

It is an arithmetic number, because the mean of its divisors is an integer number (4156353).

Almost surely, 2^22052566 is an apocalyptic number.

22052566 is a deficient number, since it is larger than the sum of its proper divisors (11198258).

22052566 is a wasteful number, since it uses less digits than its factorization.

22052566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57326.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 22052566 is about 4696.0159710120. The cubic root of 22052566 is about 280.4269252527.

Adding to 22052566 its reverse (66525022), we get a palindrome (88577588).

The spelling of 22052566 in words is "twenty-two million, fifty-two thousand, five hundred sixty-six".