228969319 has 2 divisors, whose sum is σ = 228969320. Its totient is φ = 228969318.

The previous prime is 228969269. The next prime is 228969331. The reversal of 228969319 is 913969822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228969319 - 2¹³ = 228961127 is a prime.

It is a super-2 number, since 2×228969319² = 104853898086647522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228969119) by changing a digit.

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 as a sum of consecutive naturals, namely, 114484659 + 114484660.

It is an arithmetic number, because the mean of its divisors is an integer number (114484660).

Almost surely, 2^228969319 is an apocalyptic number.

228969319 is a deficient number, since it is larger than the sum of its proper divisors (1).

228969319 is an equidigital number, since it uses as much as digits as its factorization.

228969319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 49.

The square root of 228969319 is about 15131.7321876909. The cubic root of 228969319 is about 611.7759932812.

The spelling of 228969319 in words is "two hundred twenty-eight million, nine hundred sixty-nine thousand, three hundred nineteen".