2155213302 has 16 divisors (see below), whose sum is σ = 4702283712. Its totient is φ = 653094920.

The previous prime is 2155213297. The next prime is 2155213337. The reversal of 2155213302 is 2033125512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16327308 + ... + 16327439.

It is an arithmetic number, because the mean of its divisors is an integer number (293892732).

Almost surely, 2^2155213302 is an apocalyptic number.

2155213302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2155213302 is an abundant number, since it is smaller than the sum of its proper divisors (2547070410).

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

2155213302 is a wasteful number, since it uses less digits than its factorization.

2155213302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32654763.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2155213302 is about 46424.2749216399. The cubic root of 2155213302 is about 1291.7052348128.

Adding to 2155213302 its reverse (2033125512), we get a palindrome (4188338814).

The spelling of 2155213302 in words is "two billion, one hundred fifty-five million, two hundred thirteen thousand, three hundred two".