1220244052 has 12 divisors (see below), whose sum is σ = 2136404116. Its totient is φ = 609842880.

The previous prime is 1220244043. The next prime is 1220244059. The reversal of 1220244052 is 2504420221.

It can be written as a sum of positive squares in 2 ways, for example, as 536107716 + 684136336 = 23154^2 + 26156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220244059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59793 + ... + 77560.

Almost surely, 2^1220244052 is an apocalyptic number.

It is an amenable number.

1220244052 is a deficient number, since it is larger than the sum of its proper divisors (916160064).

1220244052 is a wasteful number, since it uses less digits than its factorization.

1220244052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139578 (or 139576 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1220244052 is about 34931.9918126636. The cubic root of 1220244052 is about 1068.6009758950.

Adding to 1220244052 its reverse (2504420221), we get a palindrome (3724664273).

The spelling of 1220244052 in words is "one billion, two hundred twenty million, two hundred forty-four thousand, fifty-two".