226278525 has 24 divisors (see below), whose sum is σ = 408125664. Its totient is φ = 109710400.

The previous prime is 226278473. The next prime is 226278557. The reversal of 226278525 is 525872622.

226278525 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 226278525 - 2⁶ = 226278461 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136314 + ... + 137963.

It is an arithmetic number, because the mean of its divisors is an integer number (17005236).

Almost surely, 2^226278525 is an apocalyptic number.

226278525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226278525 is a deficient number, since it is larger than the sum of its proper divisors (181847139).

226278525 is a wasteful number, since it uses less digits than its factorization.

226278525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274301 (or 274296 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 226278525 is about 15042.5571296904. The cubic root of 226278525 is about 609.3700609725.

The spelling of 226278525 in words is "two hundred twenty-six million, two hundred seventy-eight thousand, five hundred twenty-five".