4142522 has 4 divisors (see below), whose sum is σ = 6213786. Its totient is φ = 2071260.

The previous prime is 4142521. The next prime is 4142569. The reversal of 4142522 is 2252414.

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., 4084441 + 58081 = 2021^2 + 241^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4142494 and 4142503.

It is not an unprimeable number, because it can be changed into a prime (4142521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035629 + ... + 1035632.

Almost surely, 2^4142522 is an apocalyptic number.

4142522 is a deficient number, since it is larger than the sum of its proper divisors (2071264).

4142522 is a wasteful number, since it uses less digits than its factorization.

4142522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071263.

The product of its digits is 640, while the sum is 20.

The square root of 4142522 is about 2035.3186482711. The cubic root of 4142522 is about 160.6034761996.

Adding to 4142522 its reverse (2252414), we get a palindrome (6394936).

It can be divided in two parts, 4142 and 522, that added together give a palindrome (4664).

The spelling of 4142522 in words is "four million, one hundred forty-two thousand, five hundred twenty-two".