1220032210 has 16 divisors (see below), whose sum is σ = 2226142296. Its totient is φ = 481327488.

The previous prime is 1220032207. The next prime is 1220032211. The reversal of 1220032210 is 122300221.

It can be written as a sum of positive squares in 4 ways, for example, as 1118969401 + 101062809 = 33451^2 + 10053^2 .

It is not an unprimeable number, because it can be changed into a prime (1220032211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834909 + ... + 836368.

Almost surely, 2^1220032210 is an apocalyptic number.

1220032210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220032210 is a deficient number, since it is larger than the sum of its proper divisors (1006110086).

1220032210 is a wasteful number, since it uses less digits than its factorization.

1220032210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671357.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1220032210 is about 34928.9594749114. The cubic root of 1220032210 is about 1068.5391337116.

Adding to 1220032210 its reverse (122300221), we get a palindrome (1342332431).

The spelling of 1220032210 in words is "one billion, two hundred twenty million, thirty-two thousand, two hundred ten".