226155646 has 8 divisors (see below), whose sum is σ = 340318224. Its totient is φ = 112716240.

The previous prime is 226155623. The next prime is 226155647. The reversal of 226155646 is 646551622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×226155646² = 102292752435354632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226155647) 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 3 ways as a sum of consecutive naturals, for example, 180010 + ... + 181261.

It is an arithmetic number, because the mean of its divisors is an integer number (42539778).

Almost surely, 2^226155646 is an apocalyptic number.

226155646 is a deficient number, since it is larger than the sum of its proper divisors (114162578).

226155646 is a wasteful number, since it uses less digits than its factorization.

226155646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361586.

The product of its digits is 86400, while the sum is 37.

The square root of 226155646 is about 15038.4721963370. The cubic root of 226155646 is about 609.2597362566.

It can be divided in two parts, 226155 and 646, that added together give a triangular number (226801 = T₆₇₃).

The spelling of 226155646 in words is "two hundred twenty-six million, one hundred fifty-five thousand, six hundred forty-six".