22013755 has 16 divisors (see below), whose sum is σ = 27529920. Its totient is φ = 16877952.

The previous prime is 22013753. The next prime is 22013767. The reversal of 22013755 is 55731022.

It is a cyclic number.

It is not a de Polignac number, because 22013755 - 2¹ = 22013753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22013753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22282 + ... + 23248.

It is an arithmetic number, because the mean of its divisors is an integer number (1720620).

Almost surely, 2^22013755 is an apocalyptic number.

22013755 is a deficient number, since it is larger than the sum of its proper divisors (5516165).

22013755 is a wasteful number, since it uses less digits than its factorization.

22013755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 22013755 is about 4691.8818186310. The cubic root of 22013755 is about 280.2623179462.

Adding to 22013755 its reverse (55731022), we get a palindrome (77744777).

The spelling of 22013755 in words is "twenty-two million, thirteen thousand, seven hundred fifty-five".