2122020425 has 24 divisors (see below), whose sum is σ = 3008962176. Its totient is φ = 1454250240.

The previous prime is 2122020421. The next prime is 2122020443. The reversal of 2122020425 is 5240202212.

It is not a de Polignac number, because 2122020425 - 2² = 2122020421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122020397 and 2122020406.

It is not an unprimeable number, because it can be changed into a prime (2122020421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505937 + ... + 510113.

It is an arithmetic number, because the mean of its divisors is an integer number (125373424).

Almost surely, 2^2122020425 is an apocalyptic number.

2122020425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2122020425 is a deficient number, since it is larger than the sum of its proper divisors (886941751).

2122020425 is a wasteful number, since it uses less digits than its factorization.

2122020425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097 (or 7092 counting only the distinct ones).

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

The square root of 2122020425 is about 46065.3929213678. The cubic root of 2122020425 is about 1285.0396259235.

Adding to 2122020425 its reverse (5240202212), we get a palindrome (7362222637).

The spelling of 2122020425 in words is "two billion, one hundred twenty-two million, twenty thousand, four hundred twenty-five".