1294227346 has 4 divisors (see below), whose sum is σ = 1941341022. Its totient is φ = 647113672.

The previous prime is 1294227317. The next prime is 1294227349. The reversal of 1294227346 is 6437224921.

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., 1241505225 + 52722121 = 35235^2 + 7261^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1294227299 and 1294227308.

It is not an unprimeable number, because it can be changed into a prime (1294227349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323556835 + ... + 323556838.

Almost surely, 2^1294227346 is an apocalyptic number.

1294227346 is a deficient number, since it is larger than the sum of its proper divisors (647113676).

1294227346 is an equidigital number, since it uses as much as digits as its factorization.

1294227346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647113675.

The product of its digits is 145152, while the sum is 40.

The square root of 1294227346 is about 35975.3713809879. The cubic root of 1294227346 is about 1089.7750415309.

The spelling of 1294227346 in words is "one billion, two hundred ninety-four million, two hundred twenty-seven thousand, three hundred forty-six".