228262651 has 2 divisors, whose sum is σ = 228262652. Its totient is φ = 228262650.

The previous prime is 228262633. The next prime is 228262667. The reversal of 228262651 is 156262822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228262651 - 2¹¹ = 228260603 is a prime.

It is not a weakly prime, because it can be changed into another prime (228232651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114131325 + 114131326.

It is an arithmetic number, because the mean of its divisors is an integer number (114131326).

Almost surely, 2^228262651 is an apocalyptic number.

228262651 is a deficient number, since it is larger than the sum of its proper divisors (1).

228262651 is an equidigital number, since it uses as much as digits as its factorization.

228262651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 228262651 is about 15108.3636109276. The cubic root of 228262651 is about 611.1459699479.

The spelling of 228262651 in words is "two hundred twenty-eight million, two hundred sixty-two thousand, six hundred fifty-one".