222296819 has 2 divisors, whose sum is σ = 222296820. Its totient is φ = 222296818.

The previous prime is 222296801. The next prime is 222296831. The reversal of 222296819 is 918692222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222296819 is a prime.

It is a super-2 number, since 2×222296819² = 98831751475037522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222206819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111148409 + 111148410.

It is an arithmetic number, because the mean of its divisors is an integer number (111148410).

Almost surely, 2^222296819 is an apocalyptic number.

222296819 is a deficient number, since it is larger than the sum of its proper divisors (1).

222296819 is an equidigital number, since it uses as much as digits as its factorization.

222296819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 222296819 is about 14909.6216920484. The cubic root of 222296819 is about 605.7746323656.

The spelling of 222296819 in words is "two hundred twenty-two million, two hundred ninety-six thousand, eight hundred nineteen".