42221142230 has 32 divisors (see below), whose sum is σ = 78536245248. Its totient is φ = 16325618400.

The previous prime is 42221142209. The next prime is 42221142233. The reversal of 42221142230 is 3224112224.

It is a junction number, because it is equal to n+sod(n) for n = 42221142196 and 42221142205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221142233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207659 + ... + 357161.

It is an arithmetic number, because the mean of its divisors is an integer number (2454257664).

Almost surely, 2^42221142230 is an apocalyptic number.

42221142230 is a deficient number, since it is larger than the sum of its proper divisors (36315103018).

42221142230 is a wasteful number, since it uses less digits than its factorization.

42221142230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150452.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42221142230 its reverse (3224112224), we get a palindrome (45445254454).

The spelling of 42221142230 in words is "forty-two billion, two hundred twenty-one million, one hundred forty-two thousand, two hundred thirty".