6522442 has 4 divisors (see below), whose sum is σ = 9783666. Its totient is φ = 3261220.

The previous prime is 6522437. The next prime is 6522449. The reversal of 6522442 is 2442256.

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., 4116841 + 2405601 = 2029^2 + 1551^2 .

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (6522449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630609 + ... + 1630612.

Almost surely, 2^6522442 is an apocalyptic number.

6522442 is a deficient number, since it is larger than the sum of its proper divisors (3261224).

6522442 is a wasteful number, since it uses less digits than its factorization.

6522442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261223.

The product of its digits is 3840, while the sum is 25.

The square root of 6522442 is about 2553.9072026994. The cubic root of 6522442 is about 186.8400932180.

Adding to 6522442 its reverse (2442256), we get a palindrome (8964698).

The spelling of 6522442 in words is "six million, five hundred twenty-two thousand, four hundred forty-two".