6666225430 has 32 divisors (see below), whose sum is σ = 13038197760. Its totient is φ = 2444657760.

The previous prime is 6666225421. The next prime is 6666225431. The reversal of 6666225430 is 345226666.

It is a super-2 number, since 2×6666225430² = 88877122967157369800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666225431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560004 + ... + 571783.

It is an arithmetic number, because the mean of its divisors is an integer number (407443680).

Almost surely, 2^6666225430 is an apocalyptic number.

6666225430 is a deficient number, since it is larger than the sum of its proper divisors (6371972330).

6666225430 is a wasteful number, since it uses less digits than its factorization.

6666225430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131844.

The product of its (nonzero) digits is 311040, while the sum is 40.

The square root of 6666225430 is about 81646.9560363398. The cubic root of 6666225430 is about 1882.0305348859.

The spelling of 6666225430 in words is "six billion, six hundred sixty-six million, two hundred twenty-five thousand, four hundred thirty".