2366227221 has 4 divisors (see below), whose sum is σ = 3154969632. Its totient is φ = 1577484812.

The previous prime is 2366227207. The next prime is 2366227231. The reversal of 2366227221 is 1227226632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2366227221 - 2¹⁷ = 2366096149 is a prime.

It is a super-2 number, since 2×2366227221² = 11198062522802765682, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2366227231) 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 3 ways as a sum of consecutive naturals, for example, 394371201 + ... + 394371206.

It is an arithmetic number, because the mean of its divisors is an integer number (788742408).

Almost surely, 2^2366227221 is an apocalyptic number.

It is an amenable number.

2366227221 is a deficient number, since it is larger than the sum of its proper divisors (788742411).

2366227221 is an equidigital number, since it uses as much as digits as its factorization.

2366227221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788742410.

The product of its digits is 24192, while the sum is 33.

The square root of 2366227221 is about 48643.8816399349. The cubic root of 2366227221 is about 1332.5560397755.

The spelling of 2366227221 in words is "two billion, three hundred sixty-six million, two hundred twenty-seven thousand, two hundred twenty-one".