242406215 has 16 divisors (see below), whose sum is σ = 301747680. Its totient is φ = 186721920.

The previous prime is 242406193. The next prime is 242406221. The reversal of 242406215 is 512604242.

It is not a de Polignac number, because 242406215 - 2¹⁴ = 242389831 is a prime.

It is a congruent number.

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, 55460 + ... + 59670.

It is an arithmetic number, because the mean of its divisors is an integer number (18859230).

Almost surely, 2^242406215 is an apocalyptic number.

242406215 is a deficient number, since it is larger than the sum of its proper divisors (59341465).

242406215 is a wasteful number, since it uses less digits than its factorization.

242406215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 242406215 is about 15569.3999563246. The cubic root of 242406215 is about 623.5164514535.

The spelling of 242406215 in words is "two hundred forty-two million, four hundred six thousand, two hundred fifteen".