22201959 has 16 divisors (see below), whose sum is σ = 32195072. Its totient is φ = 13527648.

The previous prime is 22201957. The next prime is 22201967. The reversal of 22201959 is 95910222.

It is not a de Polignac number, because 22201959 - 2¹ = 22201957 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201957) 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 15 ways as a sum of consecutive naturals, for example, 1254 + ... + 6780.

It is an arithmetic number, because the mean of its divisors is an integer number (2012192).

Almost surely, 2^22201959 is an apocalyptic number.

22201959 is a deficient number, since it is larger than the sum of its proper divisors (9993113).

22201959 is a wasteful number, since it uses less digits than its factorization.

22201959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 22201959 is about 4711.8954784672. The cubic root of 22201959 is about 281.0587424631.

The spelling of 22201959 in words is "twenty-two million, two hundred one thousand, nine hundred fifty-nine".