20122022222 has 8 divisors (see below), whose sum is σ = 31958505936. Its totient is φ = 9469186912.

The previous prime is 20122022177. The next prime is 20122022227. The reversal of 20122022222 is 22222022102.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20122022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122022227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295912058 + ... + 295912125.

It is an arithmetic number, because the mean of its divisors is an integer number (3994813242).

Almost surely, 2^20122022222 is an apocalyptic number.

20122022222 is a deficient number, since it is larger than the sum of its proper divisors (11836483714).

20122022222 is a wasteful number, since it uses less digits than its factorization.

20122022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591824202.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20122022222 its reverse (22222022102), we get a palindrome (42344044324).

The spelling of 20122022222 in words is "twenty billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-two".