2222201591 has 4 divisors (see below), whose sum is σ = 2222464392. Its totient is φ = 2221938792.

The previous prime is 2222201549. The next prime is 2222201621. The reversal of 2222201591 is 1951022222.

2222201591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2222201591 - 2¹⁰ = 2222200567 is a prime.

It is a super-2 number, since 2×2222201591² = 9876359822085862562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222201591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222201491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118280 + ... + 135773.

It is an arithmetic number, because the mean of its divisors is an integer number (555616098).

Almost surely, 2^2222201591 is an apocalyptic number.

2222201591 is a deficient number, since it is larger than the sum of its proper divisors (262801).

2222201591 is an equidigital number, since it uses as much as digits as its factorization.

2222201591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262800.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2222201591 is about 47140.2332514382. The cubic root of 2222201591 is about 1304.9518419519.

The spelling of 2222201591 in words is "two billion, two hundred twenty-two million, two hundred one thousand, five hundred ninety-one".