1226829766 has 4 divisors (see below), whose sum is σ = 1840244652. Its totient is φ = 613414882.

The previous prime is 1226829763. The next prime is 1226829797. The reversal of 1226829766 is 6679286221.

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

It is a super-2 number, since 2×1226829766² = 3010222549487229512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226829761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306707440 + ... + 306707443.

It is an arithmetic number, because the mean of its divisors is an integer number (460061163).

Almost surely, 2^1226829766 is an apocalyptic number.

1226829766 is a deficient number, since it is larger than the sum of its proper divisors (613414886).

1226829766 is an equidigital number, since it uses as much as digits as its factorization.

1226829766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613414885.

The product of its digits is 870912, while the sum is 49.

The square root of 1226829766 is about 35026.1297605088. The cubic root of 1226829766 is about 1070.5199574977.

The spelling of 1226829766 in words is "one billion, two hundred twenty-six million, eight hundred twenty-nine thousand, seven hundred sixty-six".