938226257 has 2 divisors, whose sum is σ = 938226258. Its totient is φ = 938226256.

The previous prime is 938226227. The next prime is 938226307. The reversal of 938226257 is 752622839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 878766736 + 59459521 = 29644^2 + 7711^2 .

It is an emirp because it is prime and its reverse (752622839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938226257 - 2¹⁶ = 938160721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (938226227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469113128 + 469113129.

It is an arithmetic number, because the mean of its divisors is an integer number (469113129).

Almost surely, 2^938226257 is an apocalyptic number.

It is an amenable number.

938226257 is a deficient number, since it is larger than the sum of its proper divisors (1).

938226257 is an equidigital number, since it uses as much as digits as its factorization.

938226257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 938226257 is about 30630.4792159705. The cubic root of 938226257 is about 978.9695739509.

The spelling of 938226257 in words is "nine hundred thirty-eight million, two hundred twenty-six thousand, two hundred fifty-seven".