42612242 has 8 divisors (see below), whose sum is σ = 64505100. Its totient is φ = 21110544.

The previous prime is 42612239. The next prime is 42612247. The reversal of 42612242 is 24221624.

It can be written as a sum of positive squares in 2 ways, for example, as 40819321 + 1792921 = 6389^2 + 1339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42612247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97517 + ... + 97952.

Almost surely, 2^42612242 is an apocalyptic number.

42612242 is a deficient number, since it is larger than the sum of its proper divisors (21892858).

42612242 is a wasteful number, since it uses less digits than its factorization.

42612242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195580.

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

The square root of 42612242 is about 6527.8052973415. The cubic root of 42612242 is about 349.2835466588.

Adding to 42612242 its reverse (24221624), we get a palindrome (66833866).

The spelling of 42612242 in words is "forty-two million, six hundred twelve thousand, two hundred forty-two".