1226405326 has 8 divisors (see below), whose sum is σ = 1843799760. Its totient is φ = 611805408.

The previous prime is 1226405311. The next prime is 1226405371. The reversal of 1226405326 is 6235046221.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697531 + ... + 699286.

It is an arithmetic number, because the mean of its divisors is an integer number (230474970).

Almost surely, 2^1226405326 is an apocalyptic number.

1226405326 is a deficient number, since it is larger than the sum of its proper divisors (617394434).

1226405326 is a wasteful number, since it uses less digits than its factorization.

1226405326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397258.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1226405326 is about 35020.0703311687. The cubic root of 1226405326 is about 1070.3964891589.

The spelling of 1226405326 in words is "one billion, two hundred twenty-six million, four hundred five thousand, three hundred twenty-six".