522401442 has 16 divisors (see below), whose sum is σ = 1045267200. Its totient is φ = 174056432.

The previous prime is 522401437. The next prime is 522401489. The reversal of 522401442 is 244104225.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753 + ... + 32540.

It is an arithmetic number, because the mean of its divisors is an integer number (65329200).

Almost surely, 2^522401442 is an apocalyptic number.

522401442 is an abundant number, since it is smaller than the sum of its proper divisors (522865758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522401442 is a wasteful number, since it uses less digits than its factorization.

522401442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38697.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 522401442 is about 22856.1029486656. The cubic root of 522401442 is about 805.3811407080.

Adding to 522401442 its reverse (244104225), we get a palindrome (766505667).

The spelling of 522401442 in words is "five hundred twenty-two million, four hundred one thousand, four hundred forty-two".