7221144363 has 8 divisors (see below), whose sum is σ = 9673824576. Its totient is φ = 4791280200.

The previous prime is 7221144361. The next prime is 7221144367. The reversal of 7221144363 is 3634411227.

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

It is not a de Polignac number, because 7221144363 - 2¹ = 7221144361 is a prime.

It is a super-2 number, since 2×7221144363² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7221144361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5703273 + ... + 5704538.

It is an arithmetic number, because the mean of its divisors is an integer number (1209228072).

Almost surely, 2^7221144363 is an apocalyptic number.

7221144363 is a deficient number, since it is larger than the sum of its proper divisors (2452680213).

7221144363 is a wasteful number, since it uses less digits than its factorization.

7221144363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11408025.

The product of its digits is 24192, while the sum is 33.

The square root of 7221144363 is about 84977.3167557084. The cubic root of 7221144363 is about 1932.8671679646.

The spelling of 7221144363 in words is "seven billion, two hundred twenty-one million, one hundred forty-four thousand, three hundred sixty-three".