662225000 has 48 divisors (see below), whose sum is σ = 1552049100. Its totient is φ = 264880000.

The previous prime is 662224991. The next prime is 662225009. The reversal of 662225000 is 522266.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (662224991) and next prime (662225009).

It can be written as a sum of positive squares in 6 ways, for example, as 150651076 + 511573924 = 12274^2 + 22618^2 .

It is not an unprimeable number, because it can be changed into a prime (662225009) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11756 + ... + 38244.

Almost surely, 2^662225000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776024550).

662225000 is an abundant number, since it is smaller than the sum of its proper divisors (889824100).

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

662225000 is an equidigital number, since it uses as much as digits as its factorization.

662225000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26520 (or 26496 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 662225000 is about 25733.7327257435. The cubic root of 662225000 is about 871.6360635151.

Adding to 662225000 its reverse (522266), we get a palindrome (662747266).

The spelling of 662225000 in words is "six hundred sixty-two million, two hundred twenty-five thousand".