1220002210 has 64 divisors (see below), whose sum is σ = 2620200960. Its totient is φ = 400181760.

The previous prime is 1220002187. The next prime is 1220002219. The reversal of 1220002210 is 122000221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1220002219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189972 + ... + 196288.

It is an arithmetic number, because the mean of its divisors is an integer number (40940640).

Almost surely, 2^1220002210 is an apocalyptic number.

1220002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220002210 is an abundant number, since it is smaller than the sum of its proper divisors (1400198750).

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

1220002210 is a wasteful number, since it uses less digits than its factorization.

1220002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1220002210 is about 34928.5300291896. The cubic root of 1220002210 is about 1068.5303753536.

1220002210 divided by its sum of digits (10) gives a palindrome (122000221).

Adding to 1220002210 its reverse (122000221), we get a palindrome (1342002431).

The spelling of 1220002210 in words is "one billion, two hundred twenty million, two thousand, two hundred ten".