1220833364 has 12 divisors (see below), whose sum is σ = 2138424288. Its totient is φ = 609855000.

The previous prime is 1220833363. The next prime is 1220833403. The reversal of 1220833364 is 4633380221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220833364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220833363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135512 + ... + 144239.

It is an arithmetic number, because the mean of its divisors is an integer number (178202024).

Almost surely, 2^1220833364 is an apocalyptic number.

It is an amenable number.

1220833364 is a deficient number, since it is larger than the sum of its proper divisors (917590924).

1220833364 is a wasteful number, since it uses less digits than its factorization.

1220833364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280846 (or 280844 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1220833364 is about 34940.4259275699. The cubic root of 1220833364 is about 1068.7729737364.

The spelling of 1220833364 in words is "one billion, two hundred twenty million, eight hundred thirty-three thousand, three hundred sixty-four".