8220741451 has 4 divisors (see below), whose sum is σ = 8853106192. Its totient is φ = 7588376712.

The previous prime is 8220741439. The next prime is 8220741467. The reversal of 8220741451 is 1541470228.

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

It is a cyclic number.

It is not a de Polignac number, because 8220741451 - 2¹⁷ = 8220610379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8220741401) 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, 316182351 + ... + 316182376.

It is an arithmetic number, because the mean of its divisors is an integer number (2213276548).

Almost surely, 2^8220741451 is an apocalyptic number.

8220741451 is a deficient number, since it is larger than the sum of its proper divisors (632364741).

8220741451 is a wasteful number, since it uses less digits than its factorization.

8220741451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632364740.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 8220741451 is about 90668.3045556715. The cubic root of 8220741451 is about 2018.2284774785.

The spelling of 8220741451 in words is "eight billion, two hundred twenty million, seven hundred forty-one thousand, four hundred fifty-one".