1222282543 has 2 divisors, whose sum is σ = 1222282544. Its totient is φ = 1222282542.

The previous prime is 1222282499. The next prime is 1222282561. The reversal of 1222282543 is 3452822221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222282543 - 2²¹ = 1220185391 is a prime.

It is a super-2 number, since 2×1222282543² = 2987949229845093698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222285543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611141271 + 611141272.

It is an arithmetic number, because the mean of its divisors is an integer number (611141272).

Almost surely, 2^1222282543 is an apocalyptic number.

1222282543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222282543 is an equidigital number, since it uses as much as digits as its factorization.

1222282543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 31.

The square root of 1222282543 is about 34961.1576324355. The cubic root of 1222282543 is about 1069.1956988879.

The spelling of 1222282543 in words is "one billion, two hundred twenty-two million, two hundred eighty-two thousand, five hundred forty-three".