10221192 has 24 divisors (see below), whose sum is σ = 27682590. Its totient is φ = 3407040.

The previous prime is 10221191. The next prime is 10221203. The reversal of 10221192 is 29112201.

It can be written as a sum of positive squares in only one way, i.e., 9400356 + 820836 = 3066^2 + 906^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (10221191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70909 + ... + 71052.

Almost surely, 2^10221192 is an apocalyptic number.

10221192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221192 is an abundant number, since it is smaller than the sum of its proper divisors (17461398).

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

10221192 is a wasteful number, since it uses less digits than its factorization.

10221192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141973 (or 141966 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 10221192 is about 3197.0598993450. The cubic root of 10221192 is about 217.0203779344.

Adding to 10221192 its reverse (29112201), we get a palindrome (39333393).

It can be divided in two parts, 1022119 and 2, that added together give a square (1022121 = 1011²).

The spelling of 10221192 in words is "ten million, two hundred twenty-one thousand, one hundred ninety-two".