242206442 has 4 divisors (see below), whose sum is σ = 363309666. Its totient is φ = 121103220.

The previous prime is 242206423. The next prime is 242206483. The reversal of 242206442 is 244602242.

It is a happy number.

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., 227376241 + 14830201 = 15079^2 + 3851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551609 + ... + 60551612.

Almost surely, 2^242206442 is an apocalyptic number.

242206442 is a deficient number, since it is larger than the sum of its proper divisors (121103224).

242206442 is a wasteful number, since it uses less digits than its factorization.

242206442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121103223.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 242206442 is about 15562.9830688079. The cubic root of 242206442 is about 623.3451192322.

Adding to 242206442 its reverse (244602242), we get a palindrome (486808684).

The spelling of 242206442 in words is "two hundred forty-two million, two hundred six thousand, four hundred forty-two".