2227273636 has 27 divisors (see below), whose sum is σ = 4535438187. Its totient is φ = 954262680.

The previous prime is 2227273619. The next prime is 2227273637. The reversal of 2227273636 is 6363727222.

The square root of 2227273636 is 47194.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (2227273637) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 659031 + ... + 662401.

Almost surely, 2^2227273636 is an apocalyptic number.

2227273636 is the 47194-th square number.

It is an amenable number.

2227273636 is an abundant number, since it is smaller than the sum of its proper divisors (2308164551).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2227273636 is an frugal number, since it uses more digits than its factorization.

2227273636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760 (or 3380 counting only the distinct ones).

The product of its digits is 254016, while the sum is 40.

The cubic root of 2227273636 is about 1305.9439129402.

Multiplying 2227273636 by its product of digits (254016), we get a square (565763139922176 = 23785776²).

The spelling of 2227273636 in words is "two billion, two hundred twenty-seven million, two hundred seventy-three thousand, six hundred thirty-six".