1133402220 has 60 divisors (see below), whose sum is σ = 3555529824. Its totient is φ = 302240160.

The previous prime is 1133402219. The next prime is 1133402251. The reversal of 1133402220 is 222043311.

1133402220 is a `hidden beast` number, since 11 + 33 + 402 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1133402193 and 1133402202.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 348196 + ... + 351435.

Almost surely, 2^1133402220 is an apocalyptic number.

1133402220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133402220 is an abundant number, since it is smaller than the sum of its proper divisors (2422127604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133402220 is a wasteful number, since it uses less digits than its factorization.

1133402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699652 (or 699641 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1133402220 is about 33666.0395651167. The cubic root of 1133402220 is about 1042.6247249976.

Adding to 1133402220 its reverse (222043311), we get a palindrome (1355445531).

The spelling of 1133402220 in words is "one billion, one hundred thirty-three million, four hundred two thousand, two hundred twenty".