228167522 has 18 divisors (see below), whose sum is σ = 376581387. Its totient is φ = 103605700.

The previous prime is 228167519. The next prime is 228167543. The reversal of 228167522 is 225761822.

It can be written as a sum of positive squares in only one way, i.e., 114083761 + 114083761 = 10681^2 + 10681^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10681.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 234497 + ... + 235467.

Almost surely, 2^228167522 is an apocalyptic number.

228167522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228167522 is a deficient number, since it is larger than the sum of its proper divisors (148413865).

228167522 is an frugal number, since it uses more digits than its factorization.

228167522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 984 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 228167522 is about 15105.2150597070. The cubic root of 228167522 is about 611.0610593081.

The spelling of 228167522 in words is "two hundred twenty-eight million, one hundred sixty-seven thousand, five hundred twenty-two".