2229380028 has 18 divisors (see below), whose sum is σ = 5635377384. Its totient is φ = 743126664.

The previous prime is 2229379967. The next prime is 2229380033. The reversal of 2229380028 is 8200839222.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 61927223 = 2229380028 / (2 + 2 + 2 + 9 + 3 + 8 + 0 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 2229379974 and 2229380001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30963576 + ... + 30963647.

Almost surely, 2^2229380028 is an apocalyptic number.

It is an amenable number.

2229380028 is an abundant number, since it is smaller than the sum of its proper divisors (3405997356).

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

2229380028 is a wasteful number, since it uses less digits than its factorization.

2229380028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61927233 (or 61927228 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2229380028 is about 47216.3110376065. The cubic root of 2229380028 is about 1306.3554718740.

The spelling of 2229380028 in words is "two billion, two hundred twenty-nine million, three hundred eighty thousand, twenty-eight".