2102254430 has 32 divisors (see below), whose sum is σ = 4003927200. Its totient is φ = 792502272.

The previous prime is 2102254409. The next prime is 2102254433. The reversal of 2102254430 is 344522012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2102254396 and 2102254405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102254433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8006 + ... + 65334.

It is an arithmetic number, because the mean of its divisors is an integer number (125122725).

Almost surely, 2^2102254430 is an apocalyptic number.

2102254430 is a deficient number, since it is larger than the sum of its proper divisors (1901672770).

2102254430 is a wasteful number, since it uses less digits than its factorization.

2102254430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57548.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2102254430 is about 45850.3481993321. The cubic root of 2102254430 is about 1281.0372512747.

Adding to 2102254430 its reverse (344522012), we get a palindrome (2446776442).

The spelling of 2102254430 in words is "two billion, one hundred two million, two hundred fifty-four thousand, four hundred thirty".