220001210 has 64 divisors (see below), whose sum is σ = 485533440. Its totient is φ = 70625280.

The previous prime is 220001207. The next prime is 220001213. The reversal of 220001210 is 12100022.

It is an interprime number because it is at equal distance from previous prime (220001207) and next prime (220001213).

220001210 is a modest number, since divided by 1210 gives 220 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220001213) 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 31 ways as a sum of consecutive naturals, for example, 29546 + ... + 36234.

It is an arithmetic number, because the mean of its divisors is an integer number (7586460).

Almost surely, 2^220001210 is an apocalyptic number.

220001210 is an abundant number, since it is smaller than the sum of its proper divisors (265532230).

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

220001210 is a wasteful number, since it uses less digits than its factorization.

220001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 220001210 is about 14832.4377632269. The cubic root of 220001210 is about 603.6821804264.

Adding to 220001210 its reverse (12100022), we get a palindrome (232101232).

It can be divided in two parts, 2200012 and 10, that added together give a palindrome (2200022).

The spelling of 220001210 in words is "two hundred twenty million, one thousand, two hundred ten".