22059855 has 24 divisors (see below), whose sum is σ = 40251120. Its totient is φ = 11145600.

The previous prime is 22059853. The next prime is 22059859. The reversal of 22059855 is 55895022.

It is not a de Polignac number, because 22059855 - 2¹ = 22059853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22059853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12046 + ... + 13755.

It is an arithmetic number, because the mean of its divisors is an integer number (1677130).

Almost surely, 2^22059855 is an apocalyptic number.

22059855 is a deficient number, since it is larger than the sum of its proper divisors (18191265).

22059855 is a wasteful number, since it uses less digits than its factorization.

22059855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25831 (or 25828 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 22059855 is about 4696.7919902844. The cubic root of 22059855 is about 280.4578182064.

The spelling of 22059855 in words is "twenty-two million, fifty-nine thousand, eight hundred fifty-five".