2155233304 has 32 divisors (see below), whose sum is σ = 4642560000. Its totient is φ = 918830880.

The previous prime is 2155233277. The next prime is 2155233317. The reversal of 2155233304 is 4033325512.

It is a super-3 number, since 3×2155233304³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90054 + ... + 111445.

It is an arithmetic number, because the mean of its divisors is an integer number (145080000).

Almost surely, 2^2155233304 is an apocalyptic number.

It is an amenable number.

2155233304 is an abundant number, since it is smaller than the sum of its proper divisors (2487326696).

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

2155233304 is a wasteful number, since it uses less digits than its factorization.

2155233304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201703 (or 201699 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2155233304 is about 46424.4903472294. The cubic root of 2155233304 is about 1291.7092307990.

Adding to 2155233304 its reverse (4033325512), we get a palindrome (6188558816).

The spelling of 2155233304 in words is "two billion, one hundred fifty-five million, two hundred thirty-three thousand, three hundred four".