6551222073 has 8 divisors (see below), whose sum is σ = 9529050336. Its totient is φ = 3970437600.

The previous prime is 6551222071. The next prime is 6551222077. The reversal of 6551222073 is 3702221556.

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

It is not a de Polignac number, because 6551222073 - 2¹ = 6551222071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 198521881 = 6551222073 / (6 + 5 + 5 + 1 + 2 + 2 + 2 + 0 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (6551222071) 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, 99260908 + ... + 99260973.

It is an arithmetic number, because the mean of its divisors is an integer number (1191131292).

Almost surely, 2^6551222073 is an apocalyptic number.

It is an amenable number.

6551222073 is a deficient number, since it is larger than the sum of its proper divisors (2977828263).

6551222073 is a wasteful number, since it uses less digits than its factorization.

6551222073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198521895.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 6551222073 is about 80939.6199212722. The cubic root of 6551222073 is about 1871.1449871614.

The spelling of 6551222073 in words is "six billion, five hundred fifty-one million, two hundred twenty-two thousand, seventy-three".