742211227 has 2 divisors, whose sum is σ = 742211228. Its totient is φ = 742211226.

The previous prime is 742211191. The next prime is 742211243. The reversal of 742211227 is 722112247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742211227 - 2²⁷ = 607993499 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 742211195 and 742211204.

It is not a weakly prime, because it can be changed into another prime (742211257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371105613 + 371105614.

It is an arithmetic number, because the mean of its divisors is an integer number (371105614).

Almost surely, 2^742211227 is an apocalyptic number.

742211227 is a deficient number, since it is larger than the sum of its proper divisors (1).

742211227 is an equidigital number, since it uses as much as digits as its factorization.

742211227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 28.

The square root of 742211227 is about 27243.5538614183. The cubic root of 742211227 is about 905.4042035168.

The spelling of 742211227 in words is "seven hundred forty-two million, two hundred eleven thousand, two hundred twenty-seven".