42203315 has 16 divisors (see below), whose sum is σ = 63141120. Its totient is φ = 26308320.

The previous prime is 42203303. The next prime is 42203341. The reversal of 42203315 is 51330224.

It is a happy number.

It is not a de Polignac number, because 42203315 - 2⁶ = 42203251 is a prime.

It is a super-2 number, since 2×42203315² = 3562239593978450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54425 + ... + 55194.

It is an arithmetic number, because the mean of its divisors is an integer number (3946320).

Almost surely, 2^42203315 is an apocalyptic number.

42203315 is a deficient number, since it is larger than the sum of its proper divisors (20937805).

42203315 is a wasteful number, since it uses less digits than its factorization.

42203315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109642.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42203315 is about 6496.4078535757. The cubic root of 42203315 is about 348.1626573693.

Adding to 42203315 its reverse (51330224), we get a palindrome (93533539).

The spelling of 42203315 in words is "forty-two million, two hundred three thousand, three hundred fifteen".