1222049356 has 24 divisors (see below), whose sum is σ = 2371254480. Its totient is φ = 546369600.

The previous prime is 1222049347. The next prime is 1222049407. The reversal of 1222049356 is 6539402221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224971 + ... + 230338.

It is an arithmetic number, because the mean of its divisors is an integer number (98802270).

Almost surely, 2^1222049356 is an apocalyptic number.

It is an amenable number.

1222049356 is a deficient number, since it is larger than the sum of its proper divisors (1149205124).

1222049356 is a wasteful number, since it uses less digits than its factorization.

1222049356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455385 (or 455383 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1222049356 is about 34957.8225294425. The cubic root of 1222049356 is about 1069.1277008636.

The spelling of 1222049356 in words is "one billion, two hundred twenty-two million, forty-nine thousand, three hundred fifty-six".