2103612228 has 96 divisors (see below), whose sum is σ = 5549465600. Its totient is φ = 689015808.

The previous prime is 2103612209. The next prime is 2103612233. The reversal of 2103612228 is 8222163012.

2103612228 is a `hidden beast` number, since 21 + 0 + 3 + 612 + 2 + 28 = 666.

It is a super-2 number, since 2×2103612228² = 8850368811582247968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1644093 + ... + 1645371.

Almost surely, 2^2103612228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103612228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774732800).

2103612228 is an abundant number, since it is smaller than the sum of its proper divisors (3445853372).

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

2103612228 is a wasteful number, since it uses less digits than its factorization.

2103612228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2103612228 is about 45865.1526542756. The cubic root of 2103612228 is about 1281.3129894616.

The spelling of 2103612228 in words is "two billion, one hundred three million, six hundred twelve thousand, two hundred twenty-eight".