2230126521 has 32 divisors (see below), whose sum is σ = 3618171648. Its totient is φ = 1192734720.

The previous prime is 2230126469. The next prime is 2230126531. The reversal of 2230126521 is 1256210322.

2230126521 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2230126521 - 2⁹ = 2230126009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2230126491 and 2230126500.

It is not an unprimeable number, because it can be changed into a prime (2230126531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47361 + ... + 81873.

It is an arithmetic number, because the mean of its divisors is an integer number (113067864).

Almost surely, 2^2230126521 is an apocalyptic number.

2230126521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2230126521 is a deficient number, since it is larger than the sum of its proper divisors (1388045127).

2230126521 is a wasteful number, since it uses less digits than its factorization.

2230126521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34721.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2230126521 is about 47224.2154090462. The cubic root of 2230126521 is about 1306.5012637351.

Adding to 2230126521 its reverse (1256210322), we get a palindrome (3486336843).

The spelling of 2230126521 in words is "two billion, two hundred thirty million, one hundred twenty-six thousand, five hundred twenty-one".