220422420224 has 72 divisors (see below), whose sum is σ = 459726194592. Its totient is φ = 105278750720.

The previous prime is 220422420221. The next prime is 220422420289. The reversal of 220422420224 is 422024224022.

It is a junction number, because it is equal to n+sod(n) for n = 220422420193 and 220422420202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220422420221) 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, 4456172 + ... + 4505364.

It is an arithmetic number, because the mean of its divisors is an integer number (6385086036).

Almost surely, 2^220422420224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220422420224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229863097296).

220422420224 is an abundant number, since it is smaller than the sum of its proper divisors (239303774368).

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

220422420224 is an equidigital number, since it uses as much as digits as its factorization.

220422420224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49993 (or 49979 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 220422420224 its reverse (422024224022), we get a palindrome (642446644246).

The spelling of 220422420224 in words is "two hundred twenty billion, four hundred twenty-two million, four hundred twenty thousand, two hundred twenty-four".