201224454 has 8 divisors (see below), whose sum is σ = 402448920. Its totient is φ = 67074816.

The previous prime is 201224363. The next prime is 201224467. The reversal of 201224454 is 454422102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

201224454 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16768699 + ... + 16768710.

It is an arithmetic number, because the mean of its divisors is an integer number (50306115).

Almost surely, 2^201224454 is an apocalyptic number.

201224454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201224454 is a wasteful number, since it uses less digits than its factorization.

201224454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33537414.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 201224454 is about 14185.3605523441. The cubic root of 201224454 is about 585.9945621071.

Adding to 201224454 its reverse (454422102), we get a palindrome (655646556).

The spelling of 201224454 in words is "two hundred one million, two hundred twenty-four thousand, four hundred fifty-four".