66225088 has 14 divisors (see below), whose sum is σ = 131415536. Its totient is φ = 33112512.

The previous prime is 66225059. The next prime is 66225097. The reversal of 66225088 is 88052266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517320 + ... + 517447.

It is an arithmetic number, because the mean of its divisors is an integer number (9386824).

Almost surely, 2^66225088 is an apocalyptic number.

It is an amenable number.

66225088 is a deficient number, since it is larger than the sum of its proper divisors (65190448).

66225088 is a wasteful number, since it uses less digits than its factorization.

66225088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034779 (or 1034769 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 66225088 is about 8137.8798221650. The cubic root of 66225088 is about 404.5828922181.

The spelling of 66225088 in words is "sixty-six million, two hundred twenty-five thousand, eighty-eight".