222036469 has 2 divisors, whose sum is σ = 222036470. Its totient is φ = 222036468.

The previous prime is 222036421. The next prime is 222036487. The reversal of 222036469 is 964630222.

It is a happy number.

222036469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128527569 + 93508900 = 11337^2 + 9670^2 .

It is a cyclic number.

It is not a de Polignac number, because 222036469 - 2⁷ = 222036341 is a prime.

It is a super-2 number, since 2×222036469² = 98600387131975922, which contains 22 as substring.

It is equal to p_12228487 and since 222036469 and 12228487 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222036169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111018234 + 111018235.

It is an arithmetic number, because the mean of its divisors is an integer number (111018235).

Almost surely, 2^222036469 is an apocalyptic number.

It is an amenable number.

222036469 is a deficient number, since it is larger than the sum of its proper divisors (1).

222036469 is an equidigital number, since it uses as much as digits as its factorization.

222036469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 222036469 is about 14900.8881950037. Note that the first 3 decimals coincide. The cubic root of 222036469 is about 605.5380492291.

The spelling of 222036469 in words is "two hundred twenty-two million, thirty-six thousand, four hundred sixty-nine".