22119985 has 16 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 17253376.

The previous prime is 22119973. The next prime is 22119989. The reversal of 22119985 is 58991122.

It is a cyclic number.

It is not a de Polignac number, because 22119985 - 2⁹ = 22119473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22119989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49041 + ... + 49489.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^22119985 is an apocalyptic number.

It is an amenable number.

22119985 is a deficient number, since it is larger than the sum of its proper divisors (5096015).

22119985 is a wasteful number, since it uses less digits than its factorization.

22119985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680.

The product of its digits is 12960, while the sum is 37.

The square root of 22119985 is about 4703.1888118595. The cubic root of 22119985 is about 280.7124078126.

It can be divided in two parts, 22119 and 985, that added together give a square (23104 = 152²).

The spelling of 22119985 in words is "twenty-two million, one hundred nineteen thousand, nine hundred eighty-five".