206225152 has 72 divisors (see below), whose sum is σ = 474093536. Its totient is φ = 87699456.

The previous prime is 206225137. The next prime is 206225167. The reversal of 206225152 is 251522602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (206225137) and next prime (206225167).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280978 + ... + 281710.

Almost surely, 2^206225152 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 206225152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237046768).

206225152 is an abundant number, since it is smaller than the sum of its proper divisors (267868384).

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

206225152 is an equidigital number, since it uses as much as digits as its factorization.

206225152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 206225152 is about 14360.5414939688. The cubic root of 206225152 is about 590.8091473875.

Adding to 206225152 its reverse (251522602), we get a palindrome (457747754).

The spelling of 206225152 in words is "two hundred six million, two hundred twenty-five thousand, one hundred fifty-two".