1133353221 has 128 divisors (see below), whose sum is σ = 2159861760. Its totient is φ = 509414400.

The previous prime is 1133353213. The next prime is 1133353223. The reversal of 1133353221 is 1223533311.

It is not a de Polignac number, because 1133353221 - 2³ = 1133353213 is a prime.

It is a super-4 number, since 4×1133353221⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1133353191 and 1133353200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133353223) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 4213075 + ... + 4213343.

It is an arithmetic number, because the mean of its divisors is an integer number (16873920).

Almost surely, 2^1133353221 is an apocalyptic number.

1133353221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1133353221 is a deficient number, since it is larger than the sum of its proper divisors (1026508539).

1133353221 is a wasteful number, since it uses less digits than its factorization.

1133353221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

The product of its digits is 1620, while the sum is 24.

The square root of 1133353221 is about 33665.3118357754. The cubic root of 1133353221 is about 1042.6096999387.

Adding to 1133353221 its reverse (1223533311), we get a palindrome (2356886532).

The spelling of 1133353221 in words is "one billion, one hundred thirty-three million, three hundred fifty-three thousand, two hundred twenty-one".