226091925 has 144 divisors (see below), whose sum is σ = 472043200. Its totient is φ = 105753600.

The previous prime is 226091881. The next prime is 226091933. The reversal of 226091925 is 529190622.

It is a happy number.

226091925 is a `hidden beast` number, since 22 + 609 + 1 + 9 + 25 = 666.

It is not a de Polignac number, because 226091925 - 2⁸ = 226091669 is a prime.

It is a super-2 number, since 2×226091925² = 102235117100411250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226091925.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3706395 + ... + 3706455.

Almost surely, 2^226091925 is an apocalyptic number.

226091925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226091925 is an abundant number, since it is smaller than the sum of its proper divisors (245951275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226091925 is a wasteful number, since it uses less digits than its factorization.

226091925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 226091925 is about 15036.3534475617. The cubic root of 226091925 is about 609.2025097592.

The spelling of 226091925 in words is "two hundred twenty-six million, ninety-one thousand, nine hundred twenty-five".