42481422 has 20 divisors (see below), whose sum is σ = 95190216. Its totient is φ = 14160420.

The previous prime is 42481409. The next prime is 42481427. The reversal of 42481422 is 22418424.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42481427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 130954 + ... + 131277.

Almost surely, 2^42481422 is an apocalyptic number.

42481422 is an abundant number, since it is smaller than the sum of its proper divisors (52708794).

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

42481422 is a wasteful number, since it uses less digits than its factorization.

42481422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262245 (or 262236 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 42481422 is about 6517.7773818994. Note that the first 3 decimals coincide. The cubic root of 42481422 is about 348.9257456221.

Adding to 42481422 its reverse (22418424), we get a palindrome (64899846).

The spelling of 42481422 in words is "forty-two million, four hundred eighty-one thousand, four hundred twenty-two".