2226813538 has 8 divisors (see below), whose sum is σ = 3370864860. Its totient is φ = 1103191920.

The previous prime is 2226813469. The next prime is 2226813539. The reversal of 2226813538 is 8353186222.

It can be written as a sum of positive squares in 2 ways, for example, as 2187713529 + 39100009 = 46773^2 + 6253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2226813538.

It is not an unprimeable number, because it can be changed into a prime (2226813539) 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, 5107153 + ... + 5107588.

Almost surely, 2^2226813538 is an apocalyptic number.

2226813538 is a deficient number, since it is larger than the sum of its proper divisors (1144051322).

2226813538 is a wasteful number, since it uses less digits than its factorization.

2226813538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214852.

The product of its digits is 138240, while the sum is 40.

The square root of 2226813538 is about 47189.1252090988. The cubic root of 2226813538 is about 1305.8539818317.

The spelling of 2226813538 in words is "two billion, two hundred twenty-six million, eight hundred thirteen thousand, five hundred thirty-eight".