10223730 has 96 divisors (see below), whose sum is σ = 30326400. Its totient is φ = 2365440.

The previous prime is 10223713. The next prime is 10223737. The reversal of 10223730 is 3732201.

It is a super-2 number, since 2×10223730² = 209049310225800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22546 + ... + 22994.

It is an arithmetic number, because the mean of its divisors is an integer number (315900).

Almost surely, 2^10223730 is an apocalyptic number.

10223730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10223730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15163200).

10223730 is an abundant number, since it is smaller than the sum of its proper divisors (20102670).

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

10223730 is a wasteful number, since it uses less digits than its factorization.

10223730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 10223730 is about 3197.4568018974. The cubic root of 10223730 is about 217.0383390534.

Adding to 10223730 its reverse (3732201), we get a palindrome (13955931).

It can be divided in two parts, 102 and 23730, that added together give a palindrome (23832).

The spelling of 10223730 in words is "ten million, two hundred twenty-three thousand, seven hundred thirty".