226121568 has 24 divisors (see below), whose sum is σ = 593569368. Its totient is φ = 75373824.

The previous prime is 226121557. The next prime is 226121593. The reversal of 226121568 is 865121622.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×226121568² = 102261927029557248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177621 + ... + 1177812.

It is an arithmetic number, because the mean of its divisors is an integer number (24732057).

Almost surely, 2^226121568 is an apocalyptic number.

It is an amenable number.

226121568 is an abundant number, since it is smaller than the sum of its proper divisors (367447800).

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

226121568 is a wasteful number, since it uses less digits than its factorization.

226121568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355446 (or 2355438 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 226121568 is about 15037.3391263215. The cubic root of 226121568 is about 609.2291328549.

The spelling of 226121568 in words is "two hundred twenty-six million, one hundred twenty-one thousand, five hundred sixty-eight".