228126251 has 2 divisors, whose sum is σ = 228126252. Its totient is φ = 228126250.

The previous prime is 228126221. The next prime is 228126253. The reversal of 228126251 is 152621822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228126251 - 2⁶ = 228126187 is a prime.

Together with 228126253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228126253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114063125 + 114063126.

It is an arithmetic number, because the mean of its divisors is an integer number (114063126).

Almost surely, 2^228126251 is an apocalyptic number.

228126251 is a deficient number, since it is larger than the sum of its proper divisors (1).

228126251 is an equidigital number, since it uses as much as digits as its factorization.

228126251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 228126251 is about 15103.8488803351. The cubic root of 228126251 is about 611.0242141261.

The spelling of 228126251 in words is "two hundred twenty-eight million, one hundred twenty-six thousand, two hundred fifty-one".