226908890 has 16 divisors (see below), whose sum is σ = 439854408. Its totient is φ = 83781696.

The previous prime is 226908881. The next prime is 226908931. The reversal of 226908890 is 98809622.

It can be written as a sum of positive squares in 4 ways, for example, as 132411049 + 94497841 = 11507^2 + 9721^2 .

It is a super-2 number, since 2×226908890² = 102975288722064200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872597 + ... + 872856.

Almost surely, 2^226908890 is an apocalyptic number.

226908890 is a deficient number, since it is larger than the sum of its proper divisors (212945518).

226908890 is a wasteful number, since it uses less digits than its factorization.

226908890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745473.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 226908890 is about 15063.4952783210. The cubic root of 226908890 is about 609.9353958276.

The spelling of 226908890 in words is "two hundred twenty-six million, nine hundred eight thousand, eight hundred ninety".