226633725 has 36 divisors (see below), whose sum is σ = 408066516. Its totient is φ = 120234240.

The previous prime is 226633721. The next prime is 226633751. The reversal of 226633725 is 527336622.

It is a happy number.

226633725 is a `hidden beast` number, since 226 + 63 + 372 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 6022116 + 220611609 = 2454^2 + 14853^2 .

It is not a de Polignac number, because 226633725 - 2² = 226633721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226633725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226633721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41769 + ... + 46881.

It is an arithmetic number, because the mean of its divisors is an integer number (11335181).

Almost surely, 2^226633725 is an apocalyptic number.

226633725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226633725 is a deficient number, since it is larger than the sum of its proper divisors (181432791).

226633725 is a wasteful number, since it uses less digits than its factorization.

226633725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326 (or 5318 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 226633725 is about 15054.3590032920. The cubic root of 226633725 is about 609.6887465216.

The spelling of 226633725 in words is "two hundred twenty-six million, six hundred thirty-three thousand, seven hundred twenty-five".