2213421925 has 24 divisors (see below), whose sum is σ = 3224481120. Its totient is φ = 1485931200.

The previous prime is 2213421923. The next prime is 2213421937. The reversal of 2213421925 is 5291243122.

2213421925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2213421925 - 2¹ = 2213421923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213421923) 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, 305995 + ... + 313144.

It is an arithmetic number, because the mean of its divisors is an integer number (134353380).

Almost surely, 2^2213421925 is an apocalyptic number.

2213421925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2213421925 is a deficient number, since it is larger than the sum of its proper divisors (1011059195).

2213421925 is a wasteful number, since it uses less digits than its factorization.

2213421925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619173 (or 619168 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 2213421925 is about 47047.0182370785. The cubic root of 2213421925 is about 1303.2310015235.

The spelling of 2213421925 in words is "two billion, two hundred thirteen million, four hundred twenty-one thousand, nine hundred twenty-five".