1004223100 has 36 divisors (see below), whose sum is σ = 2183157144. Its totient is φ = 400953280.

The previous prime is 1004223091. The next prime is 1004223109. The reversal of 1004223100 is 13224001.

It is an interprime number because it is at equal distance from previous prime (1004223091) and next prime (1004223109).

It is a super-2 number, since 2×1004223100² = 2016928069147220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004223109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47382 + ... + 65218.

It is an arithmetic number, because the mean of its divisors is an integer number (60643254).

Almost surely, 2^1004223100 is an apocalyptic number.

1004223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004223100 is an abundant number, since it is smaller than the sum of its proper divisors (1178934044).

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

1004223100 is a wasteful number, since it uses less digits than its factorization.

1004223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18414 (or 18407 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1004223100 is about 31689.4793267419. The cubic root of 1004223100 is about 1001.4057230169.

Adding to 1004223100 its reverse (13224001), we get a palindrome (1017447101).

Subtracting from 1004223100 its reverse (13224001), we obtain a palindrome (990999099).

The spelling of 1004223100 in words is "one billion, four million, two hundred twenty-three thousand, one hundred".