222302776823 has 2 divisors, whose sum is σ = 222302776824. Its totient is φ = 222302776822.

The previous prime is 222302776799. The next prime is 222302776937. The reversal of 222302776823 is 328677203222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222302776823 is a prime.

It is a super-5 number, since 5×222302776823⁵ (a number of 58 digits) contains 55555 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222302776723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111151388411 + 111151388412.

It is an arithmetic number, because the mean of its divisors is an integer number (111151388412).

Almost surely, 2^222302776823 is an apocalyptic number.

222302776823 is a deficient number, since it is larger than the sum of its proper divisors (1).

222302776823 is an equidigital number, since it uses as much as digits as its factorization.

222302776823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 222302776823 in words is "two hundred twenty-two billion, three hundred two million, seven hundred seventy-six thousand, eight hundred twenty-three".