42106227 has 4 divisors (see below), whose sum is σ = 56141640. Its totient is φ = 28070816.

The previous prime is 42106201. The next prime is 42106241. The reversal of 42106227 is 72260124.

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 42106227 - 2¹² = 42102131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42106197 and 42106206.

It is not an unprimeable number, because it can be changed into a prime (42116227) 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, 7017702 + ... + 7017707.

It is an arithmetic number, because the mean of its divisors is an integer number (14035410).

Almost surely, 2^42106227 is an apocalyptic number.

42106227 is a deficient number, since it is larger than the sum of its proper divisors (14035413).

42106227 is a wasteful number, since it uses less digits than its factorization.

42106227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14035412.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42106227 is about 6488.9311138276. The cubic root of 42106227 is about 347.8954716448.

The spelling of 42106227 in words is "forty-two million, one hundred six thousand, two hundred twenty-seven".