1222710466 has 4 divisors (see below), whose sum is σ = 1834065702. Its totient is φ = 611355232.

The previous prime is 1222710449. The next prime is 1222710469. The reversal of 1222710466 is 6640172221.

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., 1186458025 + 36252441 = 34445^2 + 6021^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1222710469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305677615 + ... + 305677618.

Almost surely, 2^1222710466 is an apocalyptic number.

1222710466 is a deficient number, since it is larger than the sum of its proper divisors (611355236).

1222710466 is an equidigital number, since it uses as much as digits as its factorization.

1222710466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611355235.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1222710466 is about 34967.2770744306. The cubic root of 1222710466 is about 1069.3204600161.

Adding to 1222710466 its reverse (6640172221), we get a palindrome (7862882687).

The spelling of 1222710466 in words is "one billion, two hundred twenty-two million, seven hundred ten thousand, four hundred sixty-six".