201403224 has 96 divisors (see below), whose sum is σ = 600771600. Its totient is φ = 60445440.

The previous prime is 201403201. The next prime is 201403229. The reversal of 201403224 is 422304102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201403197 and 201403206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201403229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85162 + ... + 87494.

Almost surely, 2^201403224 is an apocalyptic number.

201403224 is a gapful number since it is divisible by the number (24) 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 201403224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300385800).

201403224 is an abundant number, since it is smaller than the sum of its proper divisors (399368376).

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

201403224 is a wasteful number, since it uses less digits than its factorization.

201403224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 201403224 is about 14191.6603679767. The cubic root of 201403224 is about 586.1680453962.

Adding to 201403224 its reverse (422304102), we get a palindrome (623707326).

The spelling of 201403224 in words is "two hundred one million, four hundred three thousand, two hundred twenty-four".