1226431066 has 16 divisors (see below), whose sum is σ = 2147187456. Its totient is φ = 514429776.

The previous prime is 1226431061. The next prime is 1226431097. The reversal of 1226431066 is 6601346221.

It is not an unprimeable number, because it can be changed into a prime (1226431061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931281 + ... + 932596.

It is an arithmetic number, because the mean of its divisors is an integer number (134199216).

Almost surely, 2^1226431066 is an apocalyptic number.

1226431066 is a deficient number, since it is larger than the sum of its proper divisors (920756390).

1226431066 is a wasteful number, since it uses less digits than its factorization.

1226431066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863933.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1226431066 is about 35020.4378327856. The cubic root of 1226431066 is about 1070.4039776600.

Adding to 1226431066 its reverse (6601346221), we get a palindrome (7827777287).

The spelling of 1226431066 in words is "one billion, two hundred twenty-six million, four hundred thirty-one thousand, sixty-six".