220610025 has 18 divisors (see below), whose sum is σ = 395137470. Its totient is φ = 117658560.

The previous prime is 220610017. The next prime is 220610041. The reversal of 220610025 is 520016022.

It can be written as a sum of positive squares in 3 ways, for example, as 11778624 + 208831401 = 3432^2 + 14451^2 .

It is not a de Polignac number, because 220610025 - 2³ = 220610017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 490020 + ... + 490469.

Almost surely, 2^220610025 is an apocalyptic number.

220610025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220610025 is a deficient number, since it is larger than the sum of its proper divisors (174527445).

220610025 is a wasteful number, since it uses less digits than its factorization.

220610025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980505 (or 980497 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 220610025 is about 14852.9466773432. The cubic root of 220610025 is about 604.2385292773.

Adding to 220610025 its reverse (520016022), we get a palindrome (740626047).

The spelling of 220610025 in words is "two hundred twenty million, six hundred ten thousand, twenty-five".