1222200010 has 16 divisors (see below), whose sum is σ = 2220522336. Its totient is φ = 484310608.

The previous prime is 1222199999. The next prime is 1222200011. The reversal of 1222200010 is 100022221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1222200010.

It is not an unprimeable number, because it can be changed into a prime (1222200011) 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, 570052 + ... + 572191.

It is an arithmetic number, because the mean of its divisors is an integer number (138782646).

Almost surely, 2^1222200010 is an apocalyptic number.

1222200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222200010 is a deficient number, since it is larger than the sum of its proper divisors (998322326).

1222200010 is a wasteful number, since it uses less digits than its factorization.

1222200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142357.

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

The square root of 1222200010 is about 34959.9772597180. The cubic root of 1222200010 is about 1069.1716330080.

Adding to 1222200010 its reverse (100022221), we get a palindrome (1322222231).

The spelling of 1222200010 in words is "one billion, two hundred twenty-two million, two hundred thousand, ten".