226893778 has 4 divisors (see below), whose sum is σ = 340340670. Its totient is φ = 113446888.

The previous prime is 226893761. The next prime is 226893809. The reversal of 226893778 is 877398622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 877398622 = 2 ⋅438699311.

It can be written as a sum of positive squares in only one way, i.e., 186786889 + 40106889 = 13667^2 + 6333^2 .

It is a super-2 number, since 2×226893778² = 102961572990226568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56723443 + ... + 56723446.

Almost surely, 2^226893778 is an apocalyptic number.

226893778 is a deficient number, since it is larger than the sum of its proper divisors (113446892).

226893778 is a wasteful number, since it uses less digits than its factorization.

226893778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113446891.

The product of its digits is 2032128, while the sum is 52.

The square root of 226893778 is about 15062.9936599602. The cubic root of 226893778 is about 609.9218550796.

It can be divided in two parts, 2 and 26893778, that multiplied together give a square (53787556 = 7334²).

The spelling of 226893778 in words is "two hundred twenty-six million, eight hundred ninety-three thousand, seven hundred seventy-eight".