1222719046 has 32 divisors (see below), whose sum is σ = 1967506560. Its totient is φ = 568187136.

The previous prime is 1222719041. The next prime is 1222719073. The reversal of 1222719046 is 6409172221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222719041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719670 + ... + 721366.

It is an arithmetic number, because the mean of its divisors is an integer number (61484580).

Almost surely, 2^1222719046 is an apocalyptic number.

1222719046 is a deficient number, since it is larger than the sum of its proper divisors (744787514).

1222719046 is a wasteful number, since it uses less digits than its factorization.

1222719046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1222719046 is about 34967.3997603482. The cubic root of 1222719046 is about 1069.3229612210.

The spelling of 1222719046 in words is "one billion, two hundred twenty-two million, seven hundred nineteen thousand, forty-six".