216763226 has 32 divisors (see below), whose sum is σ = 358318080. Its totient is φ = 97888000.

The previous prime is 216763223. The next prime is 216763231. The reversal of 216763226 is 622367612.

It is a super-2 number, since 2×216763226² = 93972592291854152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216763223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187751 + ... + 188901.

It is an arithmetic number, because the mean of its divisors is an integer number (11197440).

Almost surely, 2^216763226 is an apocalyptic number.

216763226 is a deficient number, since it is larger than the sum of its proper divisors (141554854).

216763226 is a wasteful number, since it uses less digits than its factorization.

216763226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390.

The product of its digits is 36288, while the sum is 35.

The square root of 216763226 is about 14722.8810359929. The cubic root of 216763226 is about 600.7058600178.

The spelling of 216763226 in words is "two hundred sixteen million, seven hundred sixty-three thousand, two hundred twenty-six".