403242522 has 32 divisors (see below), whose sum is σ = 813265920. Its totient is φ = 133289520.

The previous prime is 403242493. The next prime is 403242523. The reversal of 403242522 is 225242304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 403242492 and 403242501.

It is not an unprimeable number, because it can be changed into a prime (403242523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560479 + ... + 561197.

It is an arithmetic number, because the mean of its divisors is an integer number (25414560).

Almost surely, 2^403242522 is an apocalyptic number.

403242522 is an abundant number, since it is smaller than the sum of its proper divisors (410023398).

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

403242522 is a wasteful number, since it uses less digits than its factorization.

403242522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 403242522 is about 20080.8994320474. The cubic root of 403242522 is about 738.7918696727.

Adding to 403242522 its reverse (225242304), we get a palindrome (628484826).

The spelling of 403242522 in words is "four hundred three million, two hundred forty-two thousand, five hundred twenty-two".