228929783 has 2 divisors, whose sum is σ = 228929784. Its totient is φ = 228929782.

The previous prime is 228929747. The next prime is 228929839. The reversal of 228929783 is 387929822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228929783 - 2¹⁶ = 228864247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228929383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114464891 + 114464892.

It is an arithmetic number, because the mean of its divisors is an integer number (114464892).

Almost surely, 2^228929783 is an apocalyptic number.

228929783 is a deficient number, since it is larger than the sum of its proper divisors (1).

228929783 is an equidigital number, since it uses as much as digits as its factorization.

228929783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 228929783 is about 15130.4257375660. The cubic root of 228929783 is about 611.7407795853.

The spelling of 228929783 in words is "two hundred twenty-eight million, nine hundred twenty-nine thousand, seven hundred eighty-three".