1229004228 has 24 divisors (see below), whose sum is σ = 2872785888. Its totient is φ = 408938176.

The previous prime is 1229004211. The next prime is 1229004229. The reversal of 1229004228 is 8224009221.

It is a junction number, because it is equal to n+sod(n) for n = 1229004195 and 1229004204.

It is not an unprimeable number, because it can be changed into a prime (1229004229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84201 + ... + 97712.

It is an arithmetic number, because the mean of its divisors is an integer number (119699412).

Almost surely, 2^1229004228 is an apocalyptic number.

It is an amenable number.

1229004228 is an abundant number, since it is smaller than the sum of its proper divisors (1643781660).

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

1229004228 is a wasteful number, since it uses less digits than its factorization.

1229004228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182483 (or 182481 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1229004228 is about 35057.1565874929. The cubic root of 1229004228 is about 1071.1520557995.

The spelling of 1229004228 in words is "one billion, two hundred twenty-nine million, four thousand, two hundred twenty-eight".