1222122110 has 16 divisors (see below), whose sum is σ = 2399803632. Its totient is φ = 444408000.

The previous prime is 1222122103. The next prime is 1222122131. The reversal of 1222122110 is 112212221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5554991 + ... + 5555210.

It is an arithmetic number, because the mean of its divisors is an integer number (149987727).

Almost surely, 2^1222122110 is an apocalyptic number.

1222122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222122110 is a deficient number, since it is larger than the sum of its proper divisors (1177681522).

1222122110 is a wasteful number, since it uses less digits than its factorization.

1222122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110219.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1222122110 is about 34958.8631108050. The cubic root of 1222122110 is about 1069.1489170752.

Adding to 1222122110 its reverse (112212221), we get a palindrome (1334334331).

It can be divided in two parts, 12 and 22122110, that added together give a palindrome (22122122).

The spelling of 1222122110 in words is "one billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".