224001100 has 54 divisors (see below), whose sum is σ = 494434500. Its totient is φ = 88086240.

The previous prime is 224001091. The next prime is 224001109. The reversal of 224001100 is 1100422.

It is an interprime number because it is at equal distance from previous prime (224001091) and next prime (224001109).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (224001109) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 448651 + ... + 449149.

Almost surely, 2^224001100 is an apocalyptic number.

224001100 is a gapful number since it is divisible by the number (20) 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 224001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247217250).

224001100 is an abundant number, since it is smaller than the sum of its proper divisors (270433400).

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

224001100 is a wasteful number, since it uses less digits than its factorization.

224001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 224001100 is about 14966.6662954714. Note that the first 3 decimals coincide. The cubic root of 224001100 is about 607.3187884949.

Adding to 224001100 its reverse (1100422), we get a palindrome (225101522).

The spelling of 224001100 in words is "two hundred twenty-four million, one thousand, one hundred".