226463521251 has 64 divisors (see below), whose sum is σ = 351115623936. Its totient is φ = 128314368000.

The previous prime is 226463521237. The next prime is 226463521261. The reversal of 226463521251 is 152125364622.

It is not a de Polignac number, because 226463521251 - 2¹⁴ = 226463504867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226463521261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53904951 + ... + 53909151.

It is an arithmetic number, because the mean of its divisors is an integer number (5486181624).

Almost surely, 2^226463521251 is an apocalyptic number.

226463521251 is a deficient number, since it is larger than the sum of its proper divisors (124652102685).

226463521251 is a wasteful number, since it uses less digits than its factorization.

226463521251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852.

The product of its digits is 172800, while the sum is 39.

Adding to 226463521251 its reverse (152125364622), we get a palindrome (378588885873).

The spelling of 226463521251 in words is "two hundred twenty-six billion, four hundred sixty-three million, five hundred twenty-one thousand, two hundred fifty-one".