220022012221 has 8 divisors (see below), whose sum is σ = 240144470784. Its totient is φ = 199919629920.

The previous prime is 220022012167. The next prime is 220022012261. The reversal of 220022012221 is 122210220022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220022012221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220022012195 and 220022012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022012261) 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, 4996141 + ... + 5039986.

It is an arithmetic number, because the mean of its divisors is an integer number (30018058848).

Almost surely, 2^220022012221 is an apocalyptic number.

It is an amenable number.

220022012221 is a deficient number, since it is larger than the sum of its proper divisors (20122458563).

220022012221 is a wasteful number, since it uses less digits than its factorization.

220022012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038131.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220022012221 its reverse (122210220022), we get a palindrome (342232232243).

The spelling of 220022012221 in words is "two hundred twenty billion, twenty-two million, twelve thousand, two hundred twenty-one".