10031422221 has 6 divisors (see below), whose sum is σ = 14489832110. Its totient is φ = 6687614808.

The previous prime is 10031422207. The next prime is 10031422253. The reversal of 10031422221 is 12222413001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5856840900 + 4174581321 = 76530^2 + 64611^2 .

It is not a de Polignac number, because 10031422221 - 2⁶ = 10031422157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10031422194 and 10031422203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031422021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557301226 + ... + 557301243.

Almost surely, 2^10031422221 is an apocalyptic number.

It is an amenable number.

10031422221 is a deficient number, since it is larger than the sum of its proper divisors (4458409889).

10031422221 is a wasteful number, since it uses less digits than its factorization.

10031422221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114602475 (or 1114602472 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10031422221 its reverse (12222413001), we get a palindrome (22253835222).

The spelling of 10031422221 in words is "ten billion, thirty-one million, four hundred twenty-two thousand, two hundred twenty-one".