10022122221 has 32 divisors (see below), whose sum is σ = 13918334976. Its totient is φ = 6410376000.

The previous prime is 10022122219. The next prime is 10022122237. The reversal of 10022122221 is 12222122001.

It is not a de Polignac number, because 10022122221 - 2¹ = 10022122219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10022122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022122241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1809226 + ... + 1814756.

It is an arithmetic number, because the mean of its divisors is an integer number (434947968).

Almost surely, 2^10022122221 is an apocalyptic number.

It is an amenable number.

10022122221 is a deficient number, since it is larger than the sum of its proper divisors (3896212755).

10022122221 is a wasteful number, since it uses less digits than its factorization.

10022122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10022122221 its reverse (12222122001), we get a palindrome (22244244222).

The spelling of 10022122221 in words is "ten billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".