42223144530 has 32 divisors (see below), whose sum is σ = 115812054144. Its totient is φ = 9651004416.

The previous prime is 42223144501. The next prime is 42223144543. The reversal of 42223144530 is 3544132224.

It is a super-4 number, since 4×42223144530⁴ (a number of 44 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 100531087 + ... + 100531506.

It is an arithmetic number, because the mean of its divisors is an integer number (3619126692).

Almost surely, 2^42223144530 is an apocalyptic number.

42223144530 is an abundant number, since it is smaller than the sum of its proper divisors (73588909614).

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

42223144530 is a wasteful number, since it uses less digits than its factorization.

42223144530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201062610.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 42223144530 its reverse (3544132224), we get a palindrome (45767276754).

The spelling of 42223144530 in words is "forty-two billion, two hundred twenty-three million, one hundred forty-four thousand, five hundred thirty".