226227861 has 12 divisors (see below), whose sum is σ = 329947488. Its totient is φ = 149353704.

The previous prime is 226227829. The next prime is 226227893. The reversal of 226227861 is 168722622.

226227861 is a `hidden beast` number, since 22 + 622 + 7 + 8 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (226227829) and next prime (226227893).

It is not a de Polignac number, because 226227861 - 2⁵ = 226227829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226227821) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 121095 + ... + 122948.

It is an arithmetic number, because the mean of its divisors is an integer number (27495624).

Almost surely, 2^226227861 is an apocalyptic number.

It is an amenable number.

226227861 is a deficient number, since it is larger than the sum of its proper divisors (103719627).

226227861 is a wasteful number, since it uses less digits than its factorization.

226227861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244152 (or 244149 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 226227861 is about 15040.8730132263. The cubic root of 226227861 is about 609.3245780450.

The spelling of 226227861 in words is "two hundred twenty-six million, two hundred twenty-seven thousand, eight hundred sixty-one".