1260222226 has 4 divisors (see below), whose sum is σ = 1890333342. Its totient is φ = 630111112.

The previous prime is 1260222211. The next prime is 1260222251. The reversal of 1260222226 is 6222220621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6222220621 = 6277 ⋅991273.

It can be written as a sum of positive squares in only one way, i.e., 1214592201 + 45630025 = 34851^2 + 6755^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1260222226.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315055555 + ... + 315055558.

Almost surely, 2^1260222226 is an apocalyptic number.

1260222226 is a deficient number, since it is larger than the sum of its proper divisors (630111116).

1260222226 is an equidigital number, since it uses as much as digits as its factorization.

1260222226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630111115.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1260222226 is about 35499.6088147461. The cubic root of 1260222226 is about 1080.1457925038.

Adding to 1260222226 its reverse (6222220621), we get a palindrome (7482442847).

The spelling of 1260222226 in words is "one billion, two hundred sixty million, two hundred twenty-two thousand, two hundred twenty-six".