226147789 has 20 divisors (see below), whose sum is σ = 266207040. Its totient is φ = 192093720.

The previous prime is 226147783. The next prime is 226147807. The reversal of 226147789 is 987741622.

It is not a de Polignac number, because 226147789 - 2³ = 226147781 is a prime.

It is a super-2 number, since 2×226147789² = 102285644939177042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226147781) 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 19 ways as a sum of consecutive naturals, for example, 314172 + ... + 314890.

It is an arithmetic number, because the mean of its divisors is an integer number (13310352).

Almost surely, 2^226147789 is an apocalyptic number.

It is an amenable number.

226147789 is a deficient number, since it is larger than the sum of its proper divisors (40059251).

226147789 is an frugal number, since it uses more digits than its factorization.

226147789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 857 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 226147789 is about 15038.2109640742. The cubic root of 226147789 is about 609.2526806302.

It can be divided in two parts, 22614 and 7789, that added together give a palindrome (30403).

The spelling of 226147789 in words is "two hundred twenty-six million, one hundred forty-seven thousand, seven hundred eighty-nine".