1223305570 has 32 divisors (see below), whose sum is σ = 2275693056. Its totient is φ = 472972800.

The previous prime is 1223305541. The next prime is 1223305597. The reversal of 1223305570 is 755033221.

It is an unprimeable number.

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, 336402 + ... + 340018.

It is an arithmetic number, because the mean of its divisors is an integer number (71115408).

Almost surely, 2^1223305570 is an apocalyptic number.

1223305570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223305570 is a deficient number, since it is larger than the sum of its proper divisors (1052387486).

1223305570 is a wasteful number, since it uses less digits than its factorization.

1223305570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 1223305570 is about 34975.7854808152. The cubic root of 1223305570 is about 1069.4939144543.

Adding to 1223305570 its reverse (755033221), we get a palindrome (1978338791).

The spelling of 1223305570 in words is "one billion, two hundred twenty-three million, three hundred five thousand, five hundred seventy".