2102154224 has 20 divisors (see below), whose sum is σ = 4287288840. Its totient is φ = 995757120.

The previous prime is 2102154217. The next prime is 2102154239. The reversal of 2102154224 is 4224512012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102154224.

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 3 ways as a sum of consecutive naturals, for example, 3457187 + ... + 3457794.

It is an arithmetic number, because the mean of its divisors is an integer number (214364442).

Almost surely, 2^2102154224 is an apocalyptic number.

It is an amenable number.

2102154224 is an abundant number, since it is smaller than the sum of its proper divisors (2185134616).

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

2102154224 is a wasteful number, since it uses less digits than its factorization.

2102154224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6915008 (or 6915002 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2102154224 is about 45849.2554356120. The cubic root of 2102154224 is about 1281.0168969896.

Adding to 2102154224 its reverse (4224512012), we get a palindrome (6326666236).

The spelling of 2102154224 in words is "two billion, one hundred two million, one hundred fifty-four thousand, two hundred twenty-four".