226684819 has 2 divisors, whose sum is σ = 226684820. Its totient is φ = 226684818.

The previous prime is 226684789. The next prime is 226684823. The reversal of 226684819 is 918486622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226684819 - 2¹³ = 226676627 is a prime.

It is a super-2 number, since 2×226684819² = 102772014330125522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226684879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113342409 + 113342410.

It is an arithmetic number, because the mean of its divisors is an integer number (113342410).

Almost surely, 2^226684819 is an apocalyptic number.

226684819 is a deficient number, since it is larger than the sum of its proper divisors (1).

226684819 is an equidigital number, since it uses as much as digits as its factorization.

226684819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 46.

The square root of 226684819 is about 15056.0558912353. The cubic root of 226684819 is about 609.7345606741.

The spelling of 226684819 in words is "two hundred twenty-six million, six hundred eighty-four thousand, eight hundred nineteen".