66225148 has 12 divisors (see below), whose sum is σ = 126429912. Its totient is φ = 30102320.

The previous prime is 66225139. The next prime is 66225157. The reversal of 66225148 is 84152266.

It is an interprime number because it is at equal distance from previous prime (66225139) and next prime (66225157).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752515 + ... + 752602.

It is an arithmetic number, because the mean of its divisors is an integer number (10535826).

Almost surely, 2^66225148 is an apocalyptic number.

It is an amenable number.

66225148 is a deficient number, since it is larger than the sum of its proper divisors (60204764).

66225148 is a wasteful number, since it uses less digits than its factorization.

66225148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505132 (or 1505130 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 66225148 is about 8137.8835086280. The cubic root of 66225148 is about 404.5830144022.

The spelling of 66225148 in words is "sixty-six million, two hundred twenty-five thousand, one hundred forty-eight".