42242162 has 4 divisors (see below), whose sum is σ = 63363246. Its totient is φ = 21121080.

The previous prime is 42242153. The next prime is 42242173. The reversal of 42242162 is 26124224.

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., 21893041 + 20349121 = 4679^2 + 4511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10560539 + ... + 10560542.

Almost surely, 2^42242162 is an apocalyptic number.

42242162 is a deficient number, since it is larger than the sum of its proper divisors (21121084).

42242162 is a wasteful number, since it uses less digits than its factorization.

42242162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121083.

The product of its digits is 1536, while the sum is 23.

The square root of 42242162 is about 6499.3970489577. The cubic root of 42242162 is about 348.2694493519.

Adding to 42242162 its reverse (26124224), we get a palindrome (68366386).

The spelling of 42242162 in words is "forty-two million, two hundred forty-two thousand, one hundred sixty-two".