42227242 has 8 divisors (see below), whose sum is σ = 63669636. Its totient is φ = 21004032.

The previous prime is 42227233. The next prime is 42227243. The reversal of 42227242 is 24272224.

It can be written as a sum of positive squares in 2 ways, for example, as 41229241 + 998001 = 6421^2 + 999^2 .

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 (42227243) 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, 54313 + ... + 55084.

Almost surely, 2^42227242 is an apocalyptic number.

42227242 is a deficient number, since it is larger than the sum of its proper divisors (21442394).

42227242 is a wasteful number, since it uses less digits than its factorization.

42227242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109592.

The product of its digits is 3584, while the sum is 25.

The square root of 42227242 is about 6498.2491488092. The cubic root of 42227242 is about 348.2284414124.

Adding to 42227242 its reverse (24272224), we get a palindrome (66499466).

It can be divided in two parts, 4222724 and 2, that multiplied together give a palindrome (8445448).

The spelling of 42227242 in words is "forty-two million, two hundred twenty-seven thousand, two hundred forty-two".