1226698406 has 8 divisors (see below), whose sum is σ = 1936892280. Its totient is φ = 581067648.

The previous prime is 1226698381. The next prime is 1226698423. The reversal of 1226698406 is 6048966221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16140731 + ... + 16140806.

It is an arithmetic number, because the mean of its divisors is an integer number (242111535).

Almost surely, 2^1226698406 is an apocalyptic number.

1226698406 is a deficient number, since it is larger than the sum of its proper divisors (710193874).

1226698406 is a wasteful number, since it uses less digits than its factorization.

1226698406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32281558.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 1226698406 is about 35024.2545388192. The cubic root of 1226698406 is about 1070.4817483061.

The spelling of 1226698406 in words is "one billion, two hundred twenty-six million, six hundred ninety-eight thousand, four hundred six".