242222242 has 4 divisors (see below), whose sum is σ = 363333366. Its totient is φ = 121111120.

The previous prime is 242222237. The next prime is 242222261.

242222242 is nontrivially palindromic in base 10.

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., 135699201 + 106523041 = 11649^2 + 10321^2 .

It is a super-2 number, since 2×242222242² = 117343229039013128, 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, 60555559 + ... + 60555562.

Almost surely, 2^242222242 is an apocalyptic number.

242222242 is a deficient number, since it is larger than the sum of its proper divisors (121111124).

242222242 is a wasteful number, since it uses less digits than its factorization.

242222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121111123.

The product of its digits is 2048, while the sum is 22.

The square root of 242222242 is about 15563.4906752952. The cubic root of 242222242 is about 623.3586732877.

The spelling of 242222242 in words is "two hundred forty-two million, two hundred twenty-two thousand, two hundred forty-two".