401522 has 8 divisors (see below), whose sum is σ = 657072. Its totient is φ = 182500.

The previous prime is 401519. The next prime is 401537. The reversal of 401522 is 225104.

401522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401522² = 322439832968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401497 and 401506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9104 + ... + 9147.

It is an arithmetic number, because the mean of its divisors is an integer number (82134).

2⁴⁰¹⁵²² is an apocalyptic number.

401522 is a deficient number, since it is larger than the sum of its proper divisors (255550).

401522 is a wasteful number, since it uses less digits than its factorization.

401522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18264.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 401522 is about 633.6576362674. The cubic root of 401522 is about 73.7739632940.

Adding to 401522 its reverse (225104), we get a palindrome (626626).

The spelling of 401522 in words is "four hundred one thousand, five hundred twenty-two".