4221526131 has 12 divisors (see below), whose sum is σ = 6103233552. Its totient is φ = 2811824496.

The previous prime is 4221526109. The next prime is 4221526159. The reversal of 4221526131 is 1316251224.

4221526131 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 526 + 131 = 666.

4221526131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4221526131 - 2¹⁸ = 4221263987 is a prime.

It is a super-2 number, since 2×4221526131² = 35642565749431658322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4221526095 and 4221526104.

It is not an unprimeable number, because it can be changed into a prime (4221526171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199911 + ... + 220016.

It is an arithmetic number, because the mean of its divisors is an integer number (508602796).

Almost surely, 2^4221526131 is an apocalyptic number.

4221526131 is a deficient number, since it is larger than the sum of its proper divisors (1881707421).

4221526131 is a wasteful number, since it uses less digits than its factorization.

4221526131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421050 (or 421047 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4221526131 is about 64973.2724356716. The cubic root of 4221526131 is about 1616.1803690195.

Adding to 4221526131 its reverse (1316251224), we get a palindrome (5537777355).

The spelling of 4221526131 in words is "four billion, two hundred twenty-one million, five hundred twenty-six thousand, one hundred thirty-one".