7424224224281 has 4 divisors (see below), whose sum is σ = 7424295494352. Its totient is φ = 7424152954212.

The previous prime is 7424224224269. The next prime is 7424224224343. The reversal of 7424224224281 is 1824224224247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7424224224281 - 2¹⁰ = 7424224223257 is a prime.

It is a super-2 number, since 2×7424224224281² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7424224254281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35478551 + ... + 35687196.

It is an arithmetic number, because the mean of its divisors is an integer number (1856073873588).

Almost surely, 2^{7424224224281} is an apocalyptic number.

It is an amenable number.

7424224224281 is a deficient number, since it is larger than the sum of its proper divisors (71270071).

7424224224281 is a wasteful number, since it uses less digits than its factorization.

7424224224281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71270070.

The product of its digits is 917504, while the sum is 44.

The spelling of 7424224224281 in words is "seven trillion, four hundred twenty-four billion, two hundred twenty-four million, two hundred twenty-four thousand, two hundred eighty-one".