10223100 has 108 divisors (see below), whose sum is σ = 33016984. Its totient is φ = 2643840.

The previous prime is 10223099. The next prime is 10223113. The reversal of 10223100 is 132201.

It is a happy number.

It is a super-2 number, since 2×10223100² = 209023547220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33147 + ... + 33453.

Almost surely, 2^10223100 is an apocalyptic number.

10223100 is a gapful number since it is divisible by the number (10) 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 10223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16508492).

10223100 is an abundant number, since it is smaller than the sum of its proper divisors (22793884).

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

10223100 is a wasteful number, since it uses less digits than its factorization.

10223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10223100 is about 3197.3582845843. The cubic root of 10223100 is about 217.0338808969.

Adding to 10223100 its reverse (132201), we get a palindrome (10355301).

The spelling of 10223100 in words is "ten million, two hundred twenty-three thousand, one hundred".