1230772226 has 4 divisors (see below), whose sum is σ = 1846158342. Its totient is φ = 615386112.

The previous prime is 1230772183. The next prime is 1230772247. The reversal of 1230772226 is 6222770321.

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

It can be written as a sum of positive squares in only one way, i.e., 927141601 + 303630625 = 30449^2 + 17425^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1230772192 and 1230772201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307693055 + ... + 307693058.

Almost surely, 2^1230772226 is an apocalyptic number.

1230772226 is a deficient number, since it is larger than the sum of its proper divisors (615386116).

1230772226 is an equidigital number, since it uses as much as digits as its factorization.

1230772226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615386115.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1230772226 is about 35082.3634608616. The cubic root of 1230772226 is about 1071.6654490168.

The spelling of 1230772226 in words is "one billion, two hundred thirty million, seven hundred seventy-two thousand, two hundred twenty-six".