228122570 has 32 divisors (see below), whose sum is σ = 445063248. Its totient is φ = 83685888.

The previous prime is 228122513. The next prime is 228122581. The reversal of 228122570 is 75221822.

It can be written as a sum of positive squares in 8 ways, for example, as 77986561 + 150136009 = 8831^2 + 12253^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14822 + ... + 25998.

Almost surely, 2^228122570 is an apocalyptic number.

228122570 is a deficient number, since it is larger than the sum of its proper divisors (216940678).

228122570 is a wasteful number, since it uses less digits than its factorization.

228122570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 228122570 is about 15103.7270234866. The cubic root of 228122570 is about 611.0209276531.

The spelling of 228122570 in words is "two hundred twenty-eight million, one hundred twenty-two thousand, five hundred seventy".