331422542 has 16 divisors (see below), whose sum is σ = 556986672. Its totient is φ = 146574720.

The previous prime is 331422541. The next prime is 331422547. The reversal of 331422542 is 245224133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331422541) 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, 202763 + ... + 204390.

It is an arithmetic number, because the mean of its divisors is an integer number (34811667).

Almost surely, 2^331422542 is an apocalyptic number.

331422542 is a deficient number, since it is larger than the sum of its proper divisors (225564130).

331422542 is a wasteful number, since it uses less digits than its factorization.

331422542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407203.

The product of its digits is 5760, while the sum is 26.

The square root of 331422542 is about 18205.0141993902. The cubic root of 331422542 is about 692.0338659960.

Adding to 331422542 its reverse (245224133), we get a palindrome (576646675).

The spelling of 331422542 in words is "three hundred thirty-one million, four hundred twenty-two thousand, five hundred forty-two".