1152220355 has 32 divisors (see below), whose sum is σ = 1629186048. Its totient is φ = 771235200.

The previous prime is 1152220337. The next prime is 1152220357. The reversal of 1152220355 is 5530222511.

It is not a de Polignac number, because 1152220355 - 2¹⁶ = 1152154819 is a prime.

It is a super-2 number, since 2×1152220355² = 2655223492952652050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152220357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260210 + ... + 264600.

It is an arithmetic number, because the mean of its divisors is an integer number (50912064).

Almost surely, 2^1152220355 is an apocalyptic number.

1152220355 is a deficient number, since it is larger than the sum of its proper divisors (476965693).

1152220355 is a wasteful number, since it uses less digits than its factorization.

1152220355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1152220355 is about 33944.3714774629. The cubic root of 1152220355 is about 1048.3633929443.

Adding to 1152220355 its reverse (5530222511), we get a palindrome (6682442866).

The spelling of 1152220355 in words is "one billion, one hundred fifty-two million, two hundred twenty thousand, three hundred fifty-five".