42242220402 has 16 divisors (see below), whose sum is σ = 88930990560. Its totient is φ = 13339648512.

The previous prime is 42242220359. The next prime is 42242220407. The reversal of 42242220402 is 20402224224.

42242220402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42242220402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42242220407) 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, 185272783 + ... + 185273010.

It is an arithmetic number, because the mean of its divisors is an integer number (5558186910).

Almost surely, 2^42242220402 is an apocalyptic number.

42242220402 is an abundant number, since it is smaller than the sum of its proper divisors (46688770158).

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

42242220402 is a wasteful number, since it uses less digits than its factorization.

42242220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370545817.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42242220402 its reverse (20402224224), we get a palindrome (62644444626).

The spelling of 42242220402 in words is "forty-two billion, two hundred forty-two million, two hundred twenty thousand, four hundred two".