42951227 has 4 divisors (see below), whose sum is σ = 46855896. Its totient is φ = 39046560.

The previous prime is 42951211. The next prime is 42951241. The reversal of 42951227 is 72215924.

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 42951227 - 2⁴ = 42951211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42951193 and 42951202.

It is not an unprimeable number, because it can be changed into a prime (42951247) 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, 1952318 + ... + 1952339.

It is an arithmetic number, because the mean of its divisors is an integer number (11713974).

Almost surely, 2^42951227 is an apocalyptic number.

42951227 is a deficient number, since it is larger than the sum of its proper divisors (3904669).

42951227 is a wasteful number, since it uses less digits than its factorization.

42951227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904668.

The product of its digits is 10080, while the sum is 32.

The square root of 42951227 is about 6553.7185627703. The cubic root of 42951227 is about 350.2072976059.

The spelling of 42951227 in words is "forty-two million, nine hundred fifty-one thousand, two hundred twenty-seven".