22120527 has 16 divisors (see below), whose sum is σ = 34651008. Its totient is φ = 12374880.

The previous prime is 22120517. The next prime is 22120531. The reversal of 22120527 is 72502122.

It is a happy number.

It is not a de Polignac number, because 22120527 - 2¹² = 22116431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25353 + ... + 26210.

It is an arithmetic number, because the mean of its divisors is an integer number (2165688).

Almost surely, 2^22120527 is an apocalyptic number.

22120527 is a deficient number, since it is larger than the sum of its proper divisors (12530481).

22120527 is a wasteful number, since it uses less digits than its factorization.

22120527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51590.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22120527 is about 4703.2464319872. The cubic root of 22120527 is about 280.7147005339.

Adding to 22120527 its reverse (72502122), we get a palindrome (94622649).

The spelling of 22120527 in words is "twenty-two million, one hundred twenty thousand, five hundred twenty-seven".