220222001008 has 80 divisors (see below), whose sum is σ = 454153789440. Its totient is φ = 103155897600.

The previous prime is 220222001003. The next prime is 220222001017. The reversal of 220222001008 is 800100222022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222001003) 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, 11997918 + ... + 12016258.

It is an arithmetic number, because the mean of its divisors is an integer number (5676922368).

Almost surely, 2^220222001008 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 220222001008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227076894720).

220222001008 is an abundant number, since it is smaller than the sum of its proper divisors (233931788432).

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

220222001008 is a wasteful number, since it uses less digits than its factorization.

220222001008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18806 (or 18800 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The spelling of 220222001008 in words is "two hundred twenty billion, two hundred twenty-two million, one thousand, eight".