2155241214 has 48 divisors (see below), whose sum is σ = 5340816000. Its totient is φ = 615318480.

The previous prime is 2155241201. The next prime is 2155241233. The reversal of 2155241214 is 4121425512.

It is a happy number.

2155241214 is a `hidden beast` number, since 2 + 15 + 524 + 121 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183169 + ... + 194579.

It is an arithmetic number, because the mean of its divisors is an integer number (111267000).

Almost surely, 2^2155241214 is an apocalyptic number.

2155241214 is an abundant number, since it is smaller than the sum of its proper divisors (3185574786).

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

2155241214 is a wasteful number, since it uses less digits than its factorization.

2155241214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12925 (or 12922 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2155241214 is about 46424.5755392551. The cubic root of 2155241214 is about 1291.7108110467.

Adding to 2155241214 its reverse (4121425512), we get a palindrome (6276666726).

The spelling of 2155241214 in words is "two billion, one hundred fifty-five million, two hundred forty-one thousand, two hundred fourteen".