228380827 has 2 divisors, whose sum is σ = 228380828. Its totient is φ = 228380826.

The previous prime is 228380821. The next prime is 228380837. The reversal of 228380827 is 728083822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228380827 - 2³ = 228380819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228380827.

It is not a weakly prime, because it can be changed into another prime (228380821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114190413 + 114190414.

It is an arithmetic number, because the mean of its divisors is an integer number (114190414).

Almost surely, 2^228380827 is an apocalyptic number.

228380827 is a deficient number, since it is larger than the sum of its proper divisors (1).

228380827 is an equidigital number, since it uses as much as digits as its factorization.

228380827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 228380827 is about 15112.2740512472. The cubic root of 228380827 is about 611.2514191248.

The spelling of 228380827 in words is "two hundred twenty-eight million, three hundred eighty thousand, eight hundred twenty-seven".