66602224 has 30 divisors (see below), whose sum is σ = 139737336. Its totient is φ = 30738240.

The previous prime is 66602213. The next prime is 66602233. The reversal of 66602224 is 42220666.

66602224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66602192 and 66602201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9612 + ... + 15019.

Almost surely, 2^66602224 is an apocalyptic number.

It is an amenable number.

66602224 is an abundant number, since it is smaller than the sum of its proper divisors (73135112).

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

66602224 is a wasteful number, since it uses less digits than its factorization.

66602224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24665 (or 24646 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 66602224 is about 8161.0185638804. The cubic root of 66602224 is about 405.3494398128.

The spelling of 66602224 in words is "sixty-six million, six hundred two thousand, two hundred twenty-four".