1226799294 has 32 divisors (see below), whose sum is σ = 2872509696. Its totient is φ = 341964480.

The previous prime is 1226799283. The next prime is 1226799307. The reversal of 1226799294 is 4929976221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354492 + ... + 357935.

It is an arithmetic number, because the mean of its divisors is an integer number (89765928).

Almost surely, 2^1226799294 is an apocalyptic number.

1226799294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1226799294 is an abundant number, since it is smaller than the sum of its proper divisors (1645710402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226799294 is a wasteful number, since it uses less digits than its factorization.

1226799294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712480.

The product of its digits is 979776, while the sum is 51.

The square root of 1226799294 is about 35025.6947682698. The cubic root of 1226799294 is about 1070.5110942321.

The spelling of 1226799294 in words is "one billion, two hundred twenty-six million, seven hundred ninety-nine thousand, two hundred ninety-four".