1401522 has 16 divisors (see below), whose sum is σ = 2830080. Its totient is φ = 462672.

The previous prime is 1401511. The next prime is 1401529. The reversal of 1401522 is 2251041.

It is not an unprimeable number, because it can be changed into a prime (1401529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (176880).

2^1401522 is an apocalyptic number.

1401522 is an abundant number, since it is smaller than the sum of its proper divisors (1428558).

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

1401522 is a wasteful number, since it uses less digits than its factorization.

1401522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1401522 is about 1183.8589443004. The cubic root of 1401522 is about 111.9094186828.

Adding to 1401522 its reverse (2251041), we get a palindrome (3652563).

The spelling of 1401522 in words is "one million, four hundred one thousand, five hundred twenty-two".