22155534201 has 16 divisors (see below), whose sum is σ = 29978210304. Its totient is φ = 14552578704.

The previous prime is 22155534179. The next prime is 22155534221. The reversal of 22155534201 is 10243555122.

It is not a de Polignac number, because 22155534201 - 2⁷ = 22155534073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22155534221) 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, 29841 + ... + 212606.

It is an arithmetic number, because the mean of its divisors is an integer number (1873638144).

Almost surely, 2^22155534201 is an apocalyptic number.

It is an amenable number.

22155534201 is a deficient number, since it is larger than the sum of its proper divisors (7822676103).

22155534201 is a wasteful number, since it uses less digits than its factorization.

22155534201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242900.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 22155534201 in words is "twenty-two billion, one hundred fifty-five million, five hundred thirty-four thousand, two hundred one".