220440422442 has 16 divisors (see below), whose sum is σ = 441958798080. Its totient is φ = 73300481952.

The previous prime is 220440422417. The next prime is 220440422471. The reversal of 220440422442 is 244224044022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44912058 + ... + 44916965.

It is an arithmetic number, because the mean of its divisors is an integer number (27622424880).

Almost surely, 2^220440422442 is an apocalyptic number.

220440422442 is an abundant number, since it is smaller than the sum of its proper divisors (221518375638).

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

220440422442 is a wasteful number, since it uses less digits than its factorization.

220440422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89829437.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 220440422442 its reverse (244224044022), we get a palindrome (464664466464).

The spelling of 220440422442 in words is "two hundred twenty billion, four hundred forty million, four hundred twenty-two thousand, four hundred forty-two".