10251231222 has 16 divisors (see below), whose sum is σ = 20515006512. Its totient is φ = 3414986400.

The previous prime is 10251231209. The next prime is 10251231223. The reversal of 10251231222 is 22213215201.

It is a super-2 number, since 2×10251231222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10251231223) 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 7 ways as a sum of consecutive naturals, for example, 512029 + ... + 531672.

It is an arithmetic number, because the mean of its divisors is an integer number (1282187907).

Almost surely, 2^10251231222 is an apocalyptic number.

10251231222 is an abundant number, since it is smaller than the sum of its proper divisors (10263775290).

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

10251231222 is a wasteful number, since it uses less digits than its factorization.

10251231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045343.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 10251231222 its reverse (22213215201), we get a palindrome (32464446423).

The spelling of 10251231222 in words is "ten billion, two hundred fifty-one million, two hundred thirty-one thousand, two hundred twenty-two".