42214213 has 8 divisors (see below), whose sum is σ = 45201240. Its totient is φ = 39283200.

The previous prime is 42214189. The next prime is 42214217. The reversal of 42214213 is 31241224.

It can be written as a sum of positive squares in 4 ways, for example, as 13890529 + 28323684 = 3727^2 + 5322^2 .

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 42214213 - 2⁹ = 42213701 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 (42214217) 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, 12438 + ... + 15463.

It is an arithmetic number, because the mean of its divisors is an integer number (5650155).

Almost surely, 2^42214213 is an apocalyptic number.

It is an amenable number.

42214213 is a deficient number, since it is larger than the sum of its proper divisors (2987027).

42214213 is a wasteful number, since it uses less digits than its factorization.

42214213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28007.

The product of its digits is 384, while the sum is 19.

The square root of 42214213 is about 6497.2465706636. The cubic root of 42214213 is about 348.1926230256.

Adding to 42214213 its reverse (31241224), we get a palindrome (73455437).

The spelling of 42214213 in words is "forty-two million, two hundred fourteen thousand, two hundred thirteen".