7221450267453 has 16 divisors (see below), whose sum is σ = 9659994903936. Its totient is φ = 4798604298240.

The previous prime is 7221450267433. The next prime is 7221450267463. The reversal of 7221450267453 is 3547620541227.

It is not a de Polignac number, because 7221450267453 - 2²⁰ = 7221449218877 is a prime.

It is a super-2 number, since 2×7221450267453² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221450267403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22111401 + ... + 22435617.

It is an arithmetic number, because the mean of its divisors is an integer number (603749681496).

Almost surely, 2^{7221450267453} is an apocalyptic number.

It is an amenable number.

7221450267453 is a deficient number, since it is larger than the sum of its proper divisors (2438544636483).

7221450267453 is a wasteful number, since it uses less digits than its factorization.

7221450267453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348404.

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 7221450267453 in words is "seven trillion, two hundred twenty-one billion, four hundred fifty million, two hundred sixty-seven thousand, four hundred fifty-three".