1228844406 has 16 divisors (see below), whose sum is σ = 2458123200. Its totient is φ = 409542408.

The previous prime is 1228844381. The next prime is 1228844413. The reversal of 1228844406 is 6044488221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27525 + ... + 56703.

It is an arithmetic number, because the mean of its divisors is an integer number (153632700).

Almost surely, 2^1228844406 is an apocalyptic number.

1228844406 is an abundant number, since it is smaller than the sum of its proper divisors (1229278794).

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

1228844406 is a wasteful number, since it uses less digits than its factorization.

1228844406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36203.

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 1228844406 is about 35054.8770643972. The cubic root of 1228844406 is about 1071.1056222502.

The spelling of 1228844406 in words is "one billion, two hundred twenty-eight million, eight hundred forty-four thousand, four hundred six".