222126469 has 2 divisors, whose sum is σ = 222126470. Its totient is φ = 222126468.

The previous prime is 222126449. The next prime is 222126491. The reversal of 222126469 is 964621222.

222126469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191490244 + 30636225 = 13838^2 + 5535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222126469 is a prime.

It is a super-2 number, since 2×222126469² = 98680336460815922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222126409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111063234 + 111063235.

It is an arithmetic number, because the mean of its divisors is an integer number (111063235).

Almost surely, 2^222126469 is an apocalyptic number.

It is an amenable number.

222126469 is a deficient number, since it is larger than the sum of its proper divisors (1).

222126469 is an equidigital number, since it uses as much as digits as its factorization.

222126469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 222126469 is about 14903.9078432470. The cubic root of 222126469 is about 605.6198542030.

The spelling of 222126469 in words is "two hundred twenty-two million, one hundred twenty-six thousand, four hundred sixty-nine".