1228223466 has 32 divisors (see below), whose sum is σ = 2731838400. Its totient is φ = 409039920.

The previous prime is 1228223453. The next prime is 1228223501. The reversal of 1228223466 is 6643228221.

1228223466 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1228223466.

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, 54145 + ... + 73403.

It is an arithmetic number, because the mean of its divisors is an integer number (85369950).

Almost surely, 2^1228223466 is an apocalyptic number.

1228223466 is an abundant number, since it is smaller than the sum of its proper divisors (1503614934).

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

1228223466 is a wasteful number, since it uses less digits than its factorization.

1228223466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451 (or 20445 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 1228223466 is about 35046.0192603953. The cubic root of 1228223466 is about 1070.9251805339.

The spelling of 1228223466 in words is "one billion, two hundred twenty-eight million, two hundred twenty-three thousand, four hundred sixty-six".