42342215 has 8 divisors (see below), whose sum is σ = 50917920. Its totient is φ = 33802272.

The previous prime is 42342197. The next prime is 42342221. The reversal of 42342215 is 51224324.

It is a happy number.

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 42342215 - 2⁶ = 42342151 is a prime.

It is a super-2 number, since 2×42342215² = 3585726342212450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6260 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (6364740).

Almost surely, 2^42342215 is an apocalyptic number.

42342215 is a deficient number, since it is larger than the sum of its proper divisors (8575705).

42342215 is a wasteful number, since it uses less digits than its factorization.

42342215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17881.

The product of its digits is 1920, while the sum is 23.

The square root of 42342215 is about 6507.0895952031. The cubic root of 42342215 is about 348.5441979806.

Adding to 42342215 its reverse (51224324), we get a palindrome (93566539).

The spelling of 42342215 in words is "forty-two million, three hundred forty-two thousand, two hundred fifteen".