1222533469 has 2 divisors, whose sum is σ = 1222533470. Its totient is φ = 1222533468.

The previous prime is 1222533463. The next prime is 1222533491. The reversal of 1222533469 is 9643352221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1204784100 + 17749369 = 34710^2 + 4213^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222533469 - 2⁵ = 1222533437 is a prime.

It is a super-2 number, since 2×1222533469² = 2989176165650347922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222533463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611266734 + 611266735.

It is an arithmetic number, because the mean of its divisors is an integer number (611266735).

Almost surely, 2^1222533469 is an apocalyptic number.

It is an amenable number.

1222533469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222533469 is an equidigital number, since it uses as much as digits as its factorization.

1222533469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 1222533469 is about 34964.7460880241. The cubic root of 1222533469 is about 1069.2688599979.

The spelling of 1222533469 in words is "one billion, two hundred twenty-two million, five hundred thirty-three thousand, four hundred sixty-nine".