224642100 has 36 divisors (see below), whose sum is σ = 649965344. Its totient is φ = 59904480.

The previous prime is 224641987. The next prime is 224642101. The reversal of 224642100 is 1246422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224642101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374104 + ... + 374703.

Almost surely, 2^224642100 is an apocalyptic number.

224642100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224642100 is an abundant number, since it is smaller than the sum of its proper divisors (425323244).

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

224642100 is a wasteful number, since it uses less digits than its factorization.

224642100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748824 (or 748817 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 224642100 is about 14988.0652520597. The cubic root of 224642100 is about 607.8975365479.

Adding to 224642100 its reverse (1246422), we get a palindrome (225888522).

The spelling of 224642100 in words is "two hundred twenty-four million, six hundred forty-two thousand, one hundred".