226618031 has 4 divisors (see below), whose sum is σ = 226820952. Its totient is φ = 226415112.

The previous prime is 226618027. The next prime is 226618033. The reversal of 226618031 is 130816622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226618031 - 2² = 226618027 is a prime.

It is a super-2 number, since 2×226618031² = 102711463948633922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226617985 and 226618003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226618033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99776 + ... + 102021.

It is an arithmetic number, because the mean of its divisors is an integer number (56705238).

Almost surely, 2^226618031 is an apocalyptic number.

226618031 is a deficient number, since it is larger than the sum of its proper divisors (202921).

226618031 is a wasteful number, since it uses less digits than its factorization.

226618031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202920.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 226618031 is about 15053.8377498896. The cubic root of 226618031 is about 609.6746728938.

The spelling of 226618031 in words is "two hundred twenty-six million, six hundred eighteen thousand, thirty-one".