22154325201 has 8 divisors (see below), whose sum is σ = 32821222560. Its totient is φ = 14769550116.

The previous prime is 22154325139. The next prime is 22154325203. The reversal of 22154325201 is 10252345122.

22154325201 is a `hidden beast` number, since 2 + 21 + 5 + 432 + 5 + 201 = 666.

It is not a de Polignac number, because 22154325201 - 2¹¹ = 22154323153 is a prime.

It is a super-2 number, since 2×22154325201² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 820530563 = 22154325201 / (2 + 2 + 1 + 5 + 4 + 3 + 2 + 5 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (22154325203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410265255 + ... + 410265308.

It is an arithmetic number, because the mean of its divisors is an integer number (4102652820).

Almost surely, 2^22154325201 is an apocalyptic number.

It is an amenable number.

22154325201 is a deficient number, since it is larger than the sum of its proper divisors (10666897359).

22154325201 is an equidigital number, since it uses as much as digits as its factorization.

22154325201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820530572 (or 820530566 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 22154325201 in words is "twenty-two billion, one hundred fifty-four million, three hundred twenty-five thousand, two hundred one".