2124220425 has 48 divisors (see below), whose sum is σ = 3782972160. Its totient is φ = 1048299840.

The previous prime is 2124220421. The next prime is 2124220429. The reversal of 2124220425 is 5240224212.

It is an interprime number because it is at equal distance from previous prime (2124220421) and next prime (2124220429).

It is not a de Polignac number, because 2124220425 - 2² = 2124220421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2124220395 and 2124220404.

It is not an unprimeable number, because it can be changed into a prime (2124220421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43942 + ... + 78608.

It is an arithmetic number, because the mean of its divisors is an integer number (78811920).

Almost surely, 2^2124220425 is an apocalyptic number.

2124220425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2124220425 is a deficient number, since it is larger than the sum of its proper divisors (1658751735).

2124220425 is a wasteful number, since it uses less digits than its factorization.

2124220425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34742 (or 34737 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2124220425 is about 46089.2658327294. The cubic root of 2124220425 is about 1285.4835598766.

Adding to 2124220425 its reverse (5240224212), we get a palindrome (7364444637).

The spelling of 2124220425 in words is "two billion, one hundred twenty-four million, two hundred twenty thousand, four hundred twenty-five".