236220221325 has 48 divisors (see below), whose sum is σ = 427443641856. Its totient is φ = 114157828800.

The previous prime is 236220221323. The next prime is 236220221327. The reversal of 236220221325 is 523122022632.

It is an interprime number because it is at equal distance from previous prime (236220221323) and next prime (236220221327).

It is not a de Polignac number, because 236220221325 - 2¹ = 236220221323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 236220221292 and 236220221301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236220221323) 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, 213057 + ... + 719606.

It is an arithmetic number, because the mean of its divisors is an integer number (8905075872).

Almost surely, 2^236220221325 is an apocalyptic number.

236220221325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

236220221325 is a deficient number, since it is larger than the sum of its proper divisors (191223420531).

236220221325 is a wasteful number, since it uses less digits than its factorization.

236220221325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932994 (or 932989 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 236220221325 its reverse (523122022632), we get a palindrome (759342243957).

The spelling of 236220221325 in words is "two hundred thirty-six billion, two hundred twenty million, two hundred twenty-one thousand, three hundred twenty-five".