2125220402 has 8 divisors (see below), whose sum is σ = 3189532800. Its totient is φ = 1062042804.

The previous prime is 2125220399. The next prime is 2125220417. The reversal of 2125220402 is 2040225212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279002 + ... + 286517.

It is an arithmetic number, because the mean of its divisors is an integer number (398691600).

Almost surely, 2^2125220402 is an apocalyptic number.

2125220402 is a deficient number, since it is larger than the sum of its proper divisors (1064312398).

2125220402 is a wasteful number, since it uses less digits than its factorization.

2125220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567400.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2125220402 is about 46100.1128198186. The cubic root of 2125220402 is about 1285.6852420753.

Adding to 2125220402 its reverse (2040225212), we get a palindrome (4165445614).

The spelling of 2125220402 in words is "two billion, one hundred twenty-five million, two hundred twenty thousand, four hundred two".