42229227 has 4 divisors (see below), whose sum is σ = 56305640. Its totient is φ = 28152816.

The previous prime is 42229217. The next prime is 42229237. The reversal of 42229227 is 72292224.

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

It is an interprime number because it is at equal distance from previous prime (42229217) and next prime (42229237).

It is not a de Polignac number, because 42229227 - 2⁶ = 42229163 is a prime.

It is a super-2 number, since 2×42229227² = 3566615226035058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42229194 and 42229203.

It is not an unprimeable number, because it can be changed into a prime (42229217) 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, 7038202 + ... + 7038207.

It is an arithmetic number, because the mean of its divisors is an integer number (14076410).

Almost surely, 2^42229227 is an apocalyptic number.

42229227 is a deficient number, since it is larger than the sum of its proper divisors (14076413).

42229227 is a wasteful number, since it uses less digits than its factorization.

42229227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14076412.

The product of its digits is 8064, while the sum is 30.

The square root of 42229227 is about 6498.4018804626. The cubic root of 42229227 is about 348.2338977845.

The spelling of 42229227 in words is "forty-two million, two hundred twenty-nine thousand, two hundred twenty-seven".