2229628139 has 4 divisors (see below), whose sum is σ = 2257851360. Its totient is φ = 2201404920.

The previous prime is 2229628067. The next prime is 2229628153. The reversal of 2229628139 is 9318269222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2229628139 - 2¹² = 2229624043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2229628139.

It is not an unprimeable number, because it can be changed into a prime (2229658139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14111492 + ... + 14111649.

It is an arithmetic number, because the mean of its divisors is an integer number (564462840).

Almost surely, 2^2229628139 is an apocalyptic number.

2229628139 is a deficient number, since it is larger than the sum of its proper divisors (28223221).

2229628139 is an equidigital number, since it uses as much as digits as its factorization.

2229628139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28223220.

The product of its digits is 186624, while the sum is 44.

The square root of 2229628139 is about 47218.9383510472. The cubic root of 2229628139 is about 1306.4039321537.

The spelling of 2229628139 in words is "two billion, two hundred twenty-nine million, six hundred twenty-eight thousand, one hundred thirty-nine".