226020235454251 has 8 divisors (see below), whose sum is σ = 258309006570720. Its totient is φ = 193731505850688.

The previous prime is 226020235454183. The next prime is 226020235454261. The reversal of 226020235454251 is 152454532020622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226020235454251 - 2²¹ = 226020233357099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226020235454198 and 226020235454207.

It is not an unprimeable number, because it can be changed into a prime (226020235454261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2325405 + ... + 21388033.

It is an arithmetic number, because the mean of its divisors is an integer number (32288625821340).

Almost surely, 2^{226020235454251} is an apocalyptic number.

226020235454251 is a deficient number, since it is larger than the sum of its proper divisors (32288771116469).

226020235454251 is a wasteful number, since it uses less digits than its factorization.

226020235454251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20756453.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 226020235454251 its reverse (152454532020622), we get a palindrome (378474767474873).

The spelling of 226020235454251 in words is "two hundred twenty-six trillion, twenty billion, two hundred thirty-five million, four hundred fifty-four thousand, two hundred fifty-one".