6558462225 has 72 divisors (see below), whose sum is σ = 13515652800. Its totient is φ = 2977925760.

The previous prime is 6558462221. The next prime is 6558462241. The reversal of 6558462225 is 5222648556.

It is a happy number.

6558462225 is a `hidden beast` number, since 6 + 5 + 584 + 62 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 6558462225 - 2² = 6558462221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6558462221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 220702 + ... + 248648.

It is an arithmetic number, because the mean of its divisors is an integer number (187717400).

Almost surely, 2^6558462225 is an apocalyptic number.

It is an amenable number.

6558462225 is an abundant number, since it is smaller than the sum of its proper divisors (6957190575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6558462225 is a wasteful number, since it uses less digits than its factorization.

6558462225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28119 (or 28111 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The square root of 6558462225 is about 80984.3332071086. Note that the first 3 decimals coincide. The cubic root of 6558462225 is about 1871.8340385759.

The spelling of 6558462225 in words is "six billion, five hundred fifty-eight million, four hundred sixty-two thousand, two hundred twenty-five".