224121501 has 12 divisors (see below), whose sum is σ = 325428480. Its totient is φ = 148630920.

The previous prime is 224121439. The next prime is 224121509. The reversal of 224121501 is 105121422.

It is not a de Polignac number, because 224121501 - 2¹⁴ = 224105117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224121509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63471 + ... + 66908.

It is an arithmetic number, because the mean of its divisors is an integer number (27119040).

Almost surely, 2^224121501 is an apocalyptic number.

It is an amenable number.

224121501 is a deficient number, since it is larger than the sum of its proper divisors (101306979).

224121501 is a wasteful number, since it uses less digits than its factorization.

224121501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130576 (or 130573 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 224121501 is about 14970.6880603398. The cubic root of 224121501 is about 607.4275806576.

Adding to 224121501 its reverse (105121422), we get a palindrome (329242923).

The spelling of 224121501 in words is "two hundred twenty-four million, one hundred twenty-one thousand, five hundred one".