42216246 has 48 divisors (see below), whose sum is σ = 94348800. Its totient is φ = 13635504.

The previous prime is 42216217. The next prime is 42216277. The reversal of 42216246 is 64261224.

It is a super-2 number, since 2×42216246² = 3564422852665032, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117415 + ... + 117773.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^42216246 is an apocalyptic number.

42216246 is an abundant number, since it is smaller than the sum of its proper divisors (52132554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42216246 is a wasteful number, since it uses less digits than its factorization.

42216246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 550 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 42216246 is about 6497.4030196687. The cubic root of 42216246 is about 348.1982124877.

The spelling of 42216246 in words is "forty-two million, two hundred sixteen thousand, two hundred forty-six".