228201582 has 32 divisors (see below), whose sum is σ = 525369600. Its totient is φ = 64729728.

The previous prime is 228201563. The next prime is 228201587. The reversal of 228201582 is 285102822.

228201582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228201587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13707 + ... + 25382.

It is an arithmetic number, because the mean of its divisors is an integer number (16417800).

Almost surely, 2^228201582 is an apocalyptic number.

228201582 is an abundant number, since it is smaller than the sum of its proper divisors (297168018).

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

228201582 is a wasteful number, since it uses less digits than its factorization.

228201582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39240.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 228201582 is about 15106.3424428284. The cubic root of 228201582 is about 611.0914634369.

The spelling of 228201582 in words is "two hundred twenty-eight million, two hundred one thousand, five hundred eighty-two".