220035625 has 10 divisors (see below), whose sum is σ = 274957298. Its totient is φ = 176028000.

The previous prime is 220035617. The next prime is 220035649. The reversal of 220035625 is 526530022.

It can be written as a sum of positive squares in 5 ways, for example, as 149744169 + 70291456 = 12237^2 + 8384^2 .

It is not a de Polignac number, because 220035625 - 2³ = 220035617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220035625.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 175404 + ... + 176653.

Almost surely, 2^220035625 is an apocalyptic number.

220035625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220035625 is a deficient number, since it is larger than the sum of its proper divisors (54921673).

220035625 is an frugal number, since it uses more digits than its factorization.

220035625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352077 (or 352062 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 220035625 is about 14833.5978440835. The cubic root of 220035625 is about 603.7136569790.

Adding to 220035625 its reverse (526530022), we get a palindrome (746565647).

The spelling of 220035625 in words is "two hundred twenty million, thirty-five thousand, six hundred twenty-five".