42214812 has 12 divisors (see below), whose sum is σ = 98501256. Its totient is φ = 14071600.

The previous prime is 42214801. The next prime is 42214813. The reversal of 42214812 is 21841224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42214813) 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, 1758939 + ... + 1758962.

It is an arithmetic number, because the mean of its divisors is an integer number (8208438).

Almost surely, 2^42214812 is an apocalyptic number.

It is an amenable number.

42214812 is an abundant number, since it is smaller than the sum of its proper divisors (56286444).

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

42214812 is a wasteful number, since it uses less digits than its factorization.

42214812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517908 (or 3517906 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 42214812 is about 6497.2926669498. The cubic root of 42214812 is about 348.1942699148.

The spelling of 42214812 in words is "forty-two million, two hundred fourteen thousand, eight hundred twelve".