1228624712 has 16 divisors (see below), whose sum is σ = 2632767360. Its totient is φ = 526553424.

The previous prime is 1228624703. The next prime is 1228624717. The reversal of 1228624712 is 2174268221.

It is not an unprimeable number, because it can be changed into a prime (1228624717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10969808 + ... + 10969919.

It is an arithmetic number, because the mean of its divisors is an integer number (164547960).

Almost surely, 2^1228624712 is an apocalyptic number.

It is an amenable number.

1228624712 is an abundant number, since it is smaller than the sum of its proper divisors (1404142648).

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

1228624712 is a wasteful number, since it uses less digits than its factorization.

1228624712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21939740 (or 21939736 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 1228624712 is about 35051.7433517935. The cubic root of 1228624712 is about 1071.0417873437.

The spelling of 1228624712 in words is "one billion, two hundred twenty-eight million, six hundred twenty-four thousand, seven hundred twelve".