238697227 has 2 divisors, whose sum is σ = 238697228. Its totient is φ = 238697226.

The previous prime is 238697191. The next prime is 238697233. The reversal of 238697227 is 722796832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238697227 - 2⁷ = 238697099 is a prime.

It is a super-3 number, since 3×238697227³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238697297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119348613 + 119348614.

It is an arithmetic number, because the mean of its divisors is an integer number (119348614).

Almost surely, 2^238697227 is an apocalyptic number.

238697227 is a deficient number, since it is larger than the sum of its proper divisors (1).

238697227 is an equidigital number, since it uses as much as digits as its factorization.

238697227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 238697227 is about 15449.8293518084. The cubic root of 238697227 is about 620.3200108310.

The spelling of 238697227 in words is "two hundred thirty-eight million, six hundred ninety-seven thousand, two hundred twenty-seven".