228150889 has 2 divisors, whose sum is σ = 228150890. Its totient is φ = 228150888.

The previous prime is 228150851. The next prime is 228150907. The reversal of 228150889 is 988051822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148352400 + 79798489 = 12180^2 + 8933^2 .

It is a cyclic number.

It is not a de Polignac number, because 228150889 - 2¹³ = 228142697 is a prime.

It is not a weakly prime, because it can be changed into another prime (228150809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114075444 + 114075445.

It is an arithmetic number, because the mean of its divisors is an integer number (114075445).

Almost surely, 2^228150889 is an apocalyptic number.

It is an amenable number.

228150889 is a deficient number, since it is larger than the sum of its proper divisors (1).

228150889 is an equidigital number, since it uses as much as digits as its factorization.

228150889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 228150889 is about 15104.6644782332. The cubic root of 228150889 is about 611.0462105317.

The spelling of 228150889 in words is "two hundred twenty-eight million, one hundred fifty thousand, eight hundred eighty-nine".