401509422 has 24 divisors (see below), whose sum is σ = 893450376. Its totient is φ = 130219056.

The previous prime is 401509421. The next prime is 401509439. The reversal of 401509422 is 224905104.

It is a super-2 number, since 2×401509422² = 322419631909548168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401509421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300768 + ... + 302099.

It is an arithmetic number, because the mean of its divisors is an integer number (37227099).

Almost surely, 2^401509422 is an apocalyptic number.

401509422 is an abundant number, since it is smaller than the sum of its proper divisors (491940954).

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

401509422 is a wasteful number, since it uses less digits than its factorization.

401509422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602912 (or 602909 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 401509422 is about 20037.7000177166. The cubic root of 401509422 is about 737.7319294298.

The spelling of 401509422 in words is "four hundred one million, five hundred nine thousand, four hundred twenty-two".