42247274227 has 2 divisors, whose sum is σ = 42247274228. Its totient is φ = 42247274226.

The previous prime is 42247274219. The next prime is 42247274249. The reversal of 42247274227 is 72247274224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42247274227 - 2³ = 42247274219 is a prime.

It is a super-2 number, since 2×42247274227² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42247374227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21123637113 + 21123637114.

It is an arithmetic number, because the mean of its divisors is an integer number (21123637114).

Almost surely, 2^42247274227 is an apocalyptic number.

42247274227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42247274227 is an equidigital number, since it uses as much as digits as its factorization.

42247274227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 702464, while the sum is 43.

The spelling of 42247274227 in words is "forty-two billion, two hundred forty-seven million, two hundred seventy-four thousand, two hundred twenty-seven".