42212446 has 8 divisors (see below), whose sum is σ = 63499104. Its totient is φ = 21046080.

The previous prime is 42212441. The next prime is 42212459. The reversal of 42212446 is 64421224.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42212446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42212441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29190 + ... + 30601.

It is an arithmetic number, because the mean of its divisors is an integer number (7937388).

Almost surely, 2^42212446 is an apocalyptic number.

42212446 is a deficient number, since it is larger than the sum of its proper divisors (21286658).

42212446 is a wasteful number, since it uses less digits than its factorization.

42212446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60146.

The product of its digits is 3072, while the sum is 25.

The square root of 42212446 is about 6497.1105885617. The cubic root of 42212446 is about 348.1877647491.

The spelling of 42212446 in words is "forty-two million, two hundred twelve thousand, four hundred forty-six".