10223172 has 60 divisors (see below), whose sum is σ = 27036240. Its totient is φ = 3368304.

The previous prime is 10223141. The next prime is 10223177. The reversal of 10223172 is 27132201.

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 (10223177) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44923 + ... + 45149.

It is an arithmetic number, because the mean of its divisors is an integer number (450604).

Almost surely, 2^10223172 is an apocalyptic number.

10223172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10223172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13518120).

10223172 is an abundant number, since it is smaller than the sum of its proper divisors (16813068).

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

10223172 is a wasteful number, since it uses less digits than its factorization.

10223172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 10223172 is about 3197.3695438595. The cubic root of 10223172 is about 217.0343904098.

Adding to 10223172 its reverse (27132201), we get a palindrome (37355373).

The spelling of 10223172 in words is "ten million, two hundred twenty-three thousand, one hundred seventy-two".