42420422422 has 32 divisors (see below), whose sum is σ = 77718071808. Its totient is φ = 16950834816.

The previous prime is 42420422357. The next prime is 42420422453. The reversal of 42420422422 is 22422402424.

It is a super-3 number, since 3×42420422422³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807418 + ... + 858349.

It is an arithmetic number, because the mean of its divisors is an integer number (2428689744).

Almost surely, 2^42420422422 is an apocalyptic number.

42420422422 is a deficient number, since it is larger than the sum of its proper divisors (35297649386).

42420422422 is a wasteful number, since it uses less digits than its factorization.

42420422422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665900.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42420422422 its reverse (22422402424), we get a palindrome (64842824846).

The spelling of 42420422422 in words is "forty-two billion, four hundred twenty million, four hundred twenty-two thousand, four hundred twenty-two".