226213031 has 16 divisors (see below), whose sum is σ = 266112000. Its totient is φ = 190065600.

The previous prime is 226213007. The next prime is 226213049. The reversal of 226213031 is 130312622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 226213031 - 2⁶ = 226212967 is a prime.

It is a super-2 number, since 2×226213031² = 102344670788413922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 226212994 and 226213012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226213061) 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 15 ways as a sum of consecutive naturals, for example, 4631 + ... + 21768.

It is an arithmetic number, because the mean of its divisors is an integer number (16632000).

Almost surely, 2^226213031 is an apocalyptic number.

226213031 is a deficient number, since it is larger than the sum of its proper divisors (39898969).

226213031 is a wasteful number, since it uses less digits than its factorization.

226213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26470.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 226213031 is about 15040.3800151459. The cubic root of 226213031 is about 609.3112633263.

Adding to 226213031 its reverse (130312622), we get a palindrome (356525653).

It can be divided in two parts, 22621 and 3031, that added together give a palindrome (25652).

The spelling of 226213031 in words is "two hundred twenty-six million, two hundred thirteen thousand, thirty-one".