10222122222 has 48 divisors (see below), whose sum is σ = 23885184960. Its totient is φ = 3140842176.

The previous prime is 10222122181. The next prime is 10222122223. The reversal of 10222122222 is 22222122201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10222122195 and 10222122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222122223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137868 + ... + 198624.

It is an arithmetic number, because the mean of its divisors is an integer number (497608020).

Almost surely, 2^10222122222 is an apocalyptic number.

10222122222 is an abundant number, since it is smaller than the sum of its proper divisors (13663062738).

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

10222122222 is a wasteful number, since it uses less digits than its factorization.

10222122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61497 (or 61494 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10222122222 its reverse (22222122201), we get a palindrome (32444244423).

The spelling of 10222122222 in words is "ten billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".