331001422 has 4 divisors (see below), whose sum is σ = 496502136. Its totient is φ = 165500710.

The previous prime is 331001417. The next prime is 331001423. The reversal of 331001422 is 224100133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224100133 = 43 ⋅5211631.

It is a junction number, because it is equal to n+sod(n) for n = 331001396 and 331001405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331001423) 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 as a sum of consecutive naturals, namely, 82750354 + ... + 82750357.

It is an arithmetic number, because the mean of its divisors is an integer number (124125534).

Almost surely, 2^331001422 is an apocalyptic number.

331001422 is a deficient number, since it is larger than the sum of its proper divisors (165500714).

331001422 is a wasteful number, since it uses less digits than its factorization.

331001422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165500713.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 331001422 is about 18193.4444787127. Note that the first 4 decimals coincide. The cubic root of 331001422 is about 691.7406322474.

Adding to 331001422 its reverse (224100133), we get a palindrome (555101555).

The spelling of 331001422 in words is "three hundred thirty-one million, one thousand, four hundred twenty-two".