826242223 has 2 divisors, whose sum is σ = 826242224. Its totient is φ = 826242222.

The previous prime is 826242121. The next prime is 826242233. The reversal of 826242223 is 322242628.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-826242223 is a prime.

It is a super-2 number, since 2×826242223² = 1365352422135963458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826242233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413121111 + 413121112.

It is an arithmetic number, because the mean of its divisors is an integer number (413121112).

Almost surely, 2^826242223 is an apocalyptic number.

826242223 is a deficient number, since it is larger than the sum of its proper divisors (1).

826242223 is an equidigital number, since it uses as much as digits as its factorization.

826242223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 31.

The square root of 826242223 is about 28744.4294255426. The cubic root of 826242223 is about 938.3592257363.

It can be divided in two parts, 826 and 242223, that added together give a square (243049 = 493²).

The spelling of 826242223 in words is "eight hundred twenty-six million, two hundred forty-two thousand, two hundred twenty-three".