228277733 has 2 divisors, whose sum is σ = 228277734. Its totient is φ = 228277732.

The previous prime is 228277727. The next prime is 228277747. The reversal of 228277733 is 337772822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195077089 + 33200644 = 13967^2 + 5762^2 .

It is a cyclic number.

It is not a de Polignac number, because 228277733 - 2¹⁰ = 228276709 is a prime.

It is a super-2 number, since 2×228277733² = 104221446767238578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228277703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114138866 + 114138867.

It is an arithmetic number, because the mean of its divisors is an integer number (114138867).

Almost surely, 2^228277733 is an apocalyptic number.

It is an amenable number.

228277733 is a deficient number, since it is larger than the sum of its proper divisors (1).

228277733 is an equidigital number, since it uses as much as digits as its factorization.

228277733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 41.

The square root of 228277733 is about 15108.8627301991. The cubic root of 228277733 is about 611.1594297357.

The spelling of 228277733 in words is "two hundred twenty-eight million, two hundred seventy-seven thousand, seven hundred thirty-three".