42277227 has 4 divisors (see below), whose sum is σ = 56369640. Its totient is φ = 28184816.

The previous prime is 42277189. The next prime is 42277247. The reversal of 42277227 is 72277224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42277227 - 2¹⁰ = 42276203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42277247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7046202 + ... + 7046207.

It is an arithmetic number, because the mean of its divisors is an integer number (14092410).

Almost surely, 2^42277227 is an apocalyptic number.

42277227 is a deficient number, since it is larger than the sum of its proper divisors (14092413).

42277227 is a wasteful number, since it uses less digits than its factorization.

42277227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14092412.

The product of its digits is 21952, while the sum is 33.

The square root of 42277227 is about 6502.0940473051. The cubic root of 42277227 is about 348.3657882557.

The spelling of 42277227 in words is "forty-two million, two hundred seventy-seven thousand, two hundred twenty-seven".