42199227 has 24 divisors (see below), whose sum is σ = 72693504. Its totient is φ = 23064624.

The previous prime is 42199189. The next prime is 42199229. The reversal of 42199227 is 72299124.

42199227 is a `hidden beast` number, since 421 + 9 + 9 + 227 = 666.

It is not a de Polignac number, because 42199227 - 2⁷ = 42199099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42199191 and 42199200.

It is not an unprimeable number, because it can be changed into a prime (42199229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13113 + ... + 16010.

It is an arithmetic number, because the mean of its divisors is an integer number (3028896).

Almost surely, 2^42199227 is an apocalyptic number.

42199227 is a deficient number, since it is larger than the sum of its proper divisors (30494277).

42199227 is a wasteful number, since it uses less digits than its factorization.

42199227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29159 (or 29156 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 42199227 is about 6496.0932105382. The cubic root of 42199227 is about 348.1514154807.

The spelling of 42199227 in words is "forty-two million, one hundred ninety-nine thousand, two hundred twenty-seven".