7933221445 has 8 divisors (see below), whose sum is σ = 10079857944. Its totient is φ = 5973249024.

The previous prime is 7933221431. The next prime is 7933221451. The reversal of 7933221445 is 5441223397.

It can be written as a sum of positive squares in 4 ways, for example, as 1896863809 + 6036357636 = 43553^2 + 77694^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7933221445 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7933221398 and 7933221407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46665924 + ... + 46666093.

It is an arithmetic number, because the mean of its divisors is an integer number (1259982243).

Almost surely, 2^7933221445 is an apocalyptic number.

It is an amenable number.

7933221445 is a deficient number, since it is larger than the sum of its proper divisors (2146636499).

7933221445 is a wasteful number, since it uses less digits than its factorization.

7933221445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93332039.

The product of its digits is 181440, while the sum is 40.

The square root of 7933221445 is about 89068.6333396892. The cubic root of 7933221445 is about 1994.4195642670.

The spelling of 7933221445 in words is "seven billion, nine hundred thirty-three million, two hundred twenty-one thousand, four hundred forty-five".