1222119112 has 8 divisors (see below), whose sum is σ = 2291473350. Its totient is φ = 611059552.

The previous prime is 1222119071. The next prime is 1222119113. The reversal of 1222119112 is 2119112221.

It can be written as a sum of positive squares in only one way, i.e., 918453636 + 303665476 = 30306^2 + 17426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1222119113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76382437 + ... + 76382452.

Almost surely, 2^1222119112 is an apocalyptic number.

It is an amenable number.

1222119112 is a deficient number, since it is larger than the sum of its proper divisors (1069354238).

1222119112 is a wasteful number, since it uses less digits than its factorization.

1222119112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152764895 (or 152764891 counting only the distinct ones).

The product of its digits is 144, while the sum is 22.

The square root of 1222119112 is about 34958.8202318099. The cubic root of 1222119112 is about 1069.1480428278.

The spelling of 1222119112 in words is "one billion, two hundred twenty-two million, one hundred nineteen thousand, one hundred twelve".