242420938 has 4 divisors (see below), whose sum is σ = 363631410. Its totient is φ = 121210468.

The previous prime is 242420891. The next prime is 242420951. The reversal of 242420938 is 839024242.

242420938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 242020249 + 400689 = 15557^2 + 633^2 .

It is a super-2 number, since 2×242420938² = 117535822361599688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605233 + ... + 60605236.

Almost surely, 2^242420938 is an apocalyptic number.

242420938 is a deficient number, since it is larger than the sum of its proper divisors (121210472).

242420938 is a wasteful number, since it uses less digits than its factorization.

242420938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121210471.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 242420938 is about 15569.8727676240. The cubic root of 242420938 is about 623.5290746817.

The spelling of 242420938 in words is "two hundred forty-two million, four hundred twenty thousand, nine hundred thirty-eight".