1226868650 has 96 divisors (see below), whose sum is σ = 2666079360. Its totient is φ = 411390720.

The previous prime is 1226868637. The next prime is 1226868677. The reversal of 1226868650 is 568686221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4560716 + ... + 4560984.

It is an arithmetic number, because the mean of its divisors is an integer number (27771660).

Almost surely, 2^1226868650 is an apocalyptic number.

1226868650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226868650 is an abundant number, since it is smaller than the sum of its proper divisors (1439210710).

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

1226868650 is a wasteful number, since it uses less digits than its factorization.

1226868650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 1226868650 is about 35026.6848274284. The cubic root of 1226868650 is about 1070.5312673141.

The spelling of 1226868650 in words is "one billion, two hundred twenty-six million, eight hundred sixty-eight thousand, six hundred fifty".