42229827 has 12 divisors (see below), whose sum is σ = 62417784. Its totient is φ = 27498240.

The previous prime is 42229813. The next prime is 42229841. The reversal of 42229827 is 72892224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42229813) and next prime (42229841).

It is not a de Polignac number, because 42229827 - 2²² = 38035523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42229791 and 42229800.

It is not an unprimeable number, because it can be changed into a prime (42229867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54174 + ... + 54947.

It is an arithmetic number, because the mean of its divisors is an integer number (5201482).

Almost surely, 2^42229827 is an apocalyptic number.

42229827 is a deficient number, since it is larger than the sum of its proper divisors (20187957).

42229827 is a wasteful number, since it uses less digits than its factorization.

42229827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109170 (or 109167 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 42229827 is about 6498.4480454952. The cubic root of 42229827 is about 348.2355470320.

The spelling of 42229827 in words is "forty-two million, two hundred twenty-nine thousand, eight hundred twenty-seven".