42212837 has 8 divisors (see below), whose sum is σ = 43002432. Its totient is φ = 41428800.

The previous prime is 42212827. The next prime is 42212839. The reversal of 42212837 is 73821224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42212837 - 2⁶ = 42212773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42212839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15878 + ... + 18344.

It is an arithmetic number, because the mean of its divisors is an integer number (5375304).

Almost surely, 2^42212837 is an apocalyptic number.

It is an amenable number.

42212837 is a deficient number, since it is larger than the sum of its proper divisors (789595).

42212837 is a wasteful number, since it uses less digits than its factorization.

42212837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its digits is 5376, while the sum is 29.

The square root of 42212837 is about 6497.1406787909. The cubic root of 42212837 is about 348.1888397954.

The spelling of 42212837 in words is "forty-two million, two hundred twelve thousand, eight hundred thirty-seven".