1011223469 has 2 divisors, whose sum is σ = 1011223470. Its totient is φ = 1011223468.

The previous prime is 1011223387. The next prime is 1011223481. The reversal of 1011223469 is 9643221101.

1011223469 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., 1010604100 + 619369 = 31790^2 + 787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011223469 is a prime.

It is a super-2 number, since 2×1011223469² = 2045145808512787922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011223669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505611734 + 505611735.

It is an arithmetic number, because the mean of its divisors is an integer number (505611735).

Almost surely, 2^1011223469 is an apocalyptic number.

It is an amenable number.

1011223469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011223469 is an equidigital number, since it uses as much as digits as its factorization.

1011223469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1011223469 is about 31799.7400775541. The cubic root of 1011223469 is about 1003.7272467052.

The spelling of 1011223469 in words is "one billion, eleven million, two hundred twenty-three thousand, four hundred sixty-nine".