1426227469 has 2 divisors, whose sum is σ = 1426227470. Its totient is φ = 1426227468.

The previous prime is 1426227463. The next prime is 1426227479. The reversal of 1426227469 is 9647226241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1411504900 + 14722569 = 37570^2 + 3837^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426227469 - 2²¹ = 1424130317 is a prime.

It is a super-2 number, since 2×1426227469² = 4068249586660291922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426227463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713113734 + 713113735.

It is an arithmetic number, because the mean of its divisors is an integer number (713113735).

Almost surely, 2^1426227469 is an apocalyptic number.

It is an amenable number.

1426227469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426227469 is an equidigital number, since it uses as much as digits as its factorization.

1426227469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 1426227469 is about 37765.4269008044. The cubic root of 1426227469 is about 1125.6315713633.

The spelling of 1426227469 in words is "one billion, four hundred twenty-six million, two hundred twenty-seven thousand, four hundred sixty-nine".