10232220 has 24 divisors (see below), whose sum is σ = 28650384. Its totient is φ = 2728576.

The previous prime is 10232219. The next prime is 10232221. The reversal of 10232220 is 2223201.

It is an interprime number because it is at equal distance from previous prime (10232219) and next prime (10232221).

It is a super-2 number, since 2×10232220² = 209396652256800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10232196 and 10232205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10232221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85209 + ... + 85328.

It is an arithmetic number, because the mean of its divisors is an integer number (1193766).

Almost surely, 2^10232220 is an apocalyptic number.

10232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10232220 is an abundant number, since it is smaller than the sum of its proper divisors (18418164).

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

10232220 is a wasteful number, since it uses less digits than its factorization.

10232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170549 (or 170547 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 10232220 is about 3198.7841440147. The cubic root of 10232220 is about 217.0984001620.

Adding to 10232220 its reverse (2223201), we get a palindrome (12455421).

The spelling of 10232220 in words is "ten million, two hundred thirty-two thousand, two hundred twenty".