2228720302 has 8 divisors (see below), whose sum is σ = 3344414112. Its totient is φ = 1113915600.

The previous prime is 2228720269. The next prime is 2228720303. The reversal of 2228720302 is 2030278222.

2228720302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228720303) 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, 215974 + ... + 226057.

It is an arithmetic number, because the mean of its divisors is an integer number (418051764).

Almost surely, 2^2228720302 is an apocalyptic number.

2228720302 is a deficient number, since it is larger than the sum of its proper divisors (1115693810).

2228720302 is a wasteful number, since it uses less digits than its factorization.

2228720302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444554.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2228720302 is about 47209.3243120467. The cubic root of 2228720302 is about 1306.2265987215.

Adding to 2228720302 its reverse (2030278222), we get a palindrome (4258998524).

The spelling of 2228720302 in words is "two billion, two hundred twenty-eight million, seven hundred twenty thousand, three hundred two".