1220232210 has 32 divisors (see below), whose sum is σ = 2931776640. Its totient is φ = 325037568.

The previous prime is 1220232203. The next prime is 1220232241. The reversal of 1220232210 is 122320221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220232210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5979 + ... + 49761.

It is an arithmetic number, because the mean of its divisors is an integer number (91618020).

Almost surely, 2^1220232210 is an apocalyptic number.

1220232210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220232210 is an abundant number, since it is smaller than the sum of its proper divisors (1711544430).

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

1220232210 is a wasteful number, since it uses less digits than its factorization.

1220232210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44722.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1220232210 is about 34931.8223114684. The cubic root of 1220232210 is about 1068.5975190964.

Adding to 1220232210 its reverse (122320221), we get a palindrome (1342552431).

The spelling of 1220232210 in words is "one billion, two hundred twenty million, two hundred thirty-two thousand, two hundred ten".