662225646 has 8 divisors (see below), whose sum is σ = 1324451304. Its totient is φ = 220741880.

The previous prime is 662225623. The next prime is 662225647. The reversal of 662225646 is 646522266.

It is a sphenic number, since it is the product of 3 distinct primes.

662225646 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662225647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55185465 + ... + 55185476.

It is an arithmetic number, because the mean of its divisors is an integer number (165556413).

Almost surely, 2^662225646 is an apocalyptic number.

662225646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

662225646 is a wasteful number, since it uses less digits than its factorization.

662225646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110370946.

The product of its digits is 207360, while the sum is 39.

The square root of 662225646 is about 25733.7452773591. The cubic root of 662225646 is about 871.6363469418.

The spelling of 662225646 in words is "six hundred sixty-two million, two hundred twenty-five thousand, six hundred forty-six".