1226665410 has 32 divisors (see below), whose sum is σ = 2945013120. Its totient is φ = 326997888.

The previous prime is 1226665397. The next prime is 1226665411. The reversal of 1226665410 is 145666221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1226665411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117171 + ... + 127209.

It is an arithmetic number, because the mean of its divisors is an integer number (92031660).

Almost surely, 2^1226665410 is an apocalyptic number.

1226665410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226665410 is an abundant number, since it is smaller than the sum of its proper divisors (1718347710).

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

1226665410 is a wasteful number, since it uses less digits than its factorization.

1226665410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14122.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1226665410 is about 35023.7834906510. The cubic root of 1226665410 is about 1070.4721502032.

The spelling of 1226665410 in words is "one billion, two hundred twenty-six million, six hundred sixty-five thousand, four hundred ten".