1222859564 has 6 divisors (see below), whose sum is σ = 2140004244. Its totient is φ = 611429780.

The previous prime is 1222859557. The next prime is 1222859567. The reversal of 1222859564 is 4659582221.

It is not an unprimeable number, because it can be changed into a prime (1222859567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152857442 + ... + 152857449.

It is an arithmetic number, because the mean of its divisors is an integer number (356667374).

Almost surely, 2^1222859564 is an apocalyptic number.

It is an amenable number.

1222859564 is a deficient number, since it is larger than the sum of its proper divisors (917144680).

1222859564 is a wasteful number, since it uses less digits than its factorization.

1222859564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305714895 (or 305714893 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 1222859564 is about 34969.4089741305. The cubic root of 1222859564 is about 1069.3639227618.

The spelling of 1222859564 in words is "one billion, two hundred twenty-two million, eight hundred fifty-nine thousand, five hundred sixty-four".