7224314302421 has 4 divisors (see below), whose sum is σ = 7235377571532. Its totient is φ = 7213251033312.

The previous prime is 7224314302409. The next prime is 7224314302423. The reversal of 7224314302421 is 1242034134227.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5306047752196 + 1918266550225 = 2303486^2 + 1385015^2 .

It is a cyclic number.

It is not a de Polignac number, because 7224314302421 - 2¹⁰ = 7224314301397 is a prime.

It is a super-2 number, since 2×7224314302421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224314302423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5531633576 + ... + 5531634881.

It is an arithmetic number, because the mean of its divisors is an integer number (1808844392883).

Almost surely, 2^{7224314302421} is an apocalyptic number.

It is an amenable number.

7224314302421 is a deficient number, since it is larger than the sum of its proper divisors (11063269111).

7224314302421 is a wasteful number, since it uses less digits than its factorization.

7224314302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11063269110.

The product of its (nonzero) digits is 64512, while the sum is 35.

Adding to 7224314302421 its reverse (1242034134227), we get a palindrome (8466348436648).

The spelling of 7224314302421 in words is "seven trillion, two hundred twenty-four billion, three hundred fourteen million, three hundred two thousand, four hundred twenty-one".