226439964 has 18 divisors (see below), whose sum is σ = 572390000. Its totient is φ = 75479976.

The previous prime is 226439957. The next prime is 226439977. The reversal of 226439964 is 469934622.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

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 5 ways as a sum of consecutive naturals, for example, 3144964 + ... + 3145035.

Almost surely, 2^226439964 is an apocalyptic number.

It is an amenable number.

226439964 is an abundant number, since it is smaller than the sum of its proper divisors (345950036).

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

226439964 is a wasteful number, since it uses less digits than its factorization.

226439964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290009 (or 6290004 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 226439964 is about 15047.9222486030. The cubic root of 226439964 is about 609.5149454049.

The spelling of 226439964 in words is "two hundred twenty-six million, four hundred thirty-nine thousand, nine hundred sixty-four".