22000522 has 8 divisors (see below), whose sum is σ = 33493536. Its totient is φ = 10836012.

The previous prime is 22000513. The next prime is 22000529. The reversal of 22000522 is 22500022.

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

It is not an unprimeable number, because it can be changed into a prime (22000529) 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, 81958 + ... + 82225.

It is an arithmetic number, because the mean of its divisors is an integer number (4186692).

Almost surely, 2^22000522 is an apocalyptic number.

22000522 is a deficient number, since it is larger than the sum of its proper divisors (11493014).

22000522 is a wasteful number, since it uses less digits than its factorization.

22000522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164252.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 22000522 is about 4690.4714048803. The cubic root of 22000522 is about 280.2061492064.

Adding to 22000522 its reverse (22500022), we get a palindrome (44500544).

Subtracting 22000522 from its reverse (22500022), we obtain a triangular number (499500 = T₉₉₉).

It can be divided in two parts, 22000 and 522, that added together give a palindrome (22522).

The spelling of 22000522 in words is "twenty-two million, five hundred twenty-two", and thus it is an aban number.