1222552241 has 2 divisors, whose sum is σ = 1222552242. Its totient is φ = 1222552240.

The previous prime is 1222552211. The next prime is 1222552259. The reversal of 1222552241 is 1422552221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1206520225 + 16032016 = 34735^2 + 4004^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222552241 - 2¹⁰ = 1222551217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222552241.

It is not a weakly prime, because it can be changed into another prime (1222552211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611276120 + 611276121.

It is an arithmetic number, because the mean of its divisors is an integer number (611276121).

Almost surely, 2^1222552241 is an apocalyptic number.

It is an amenable number.

1222552241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222552241 is an equidigital number, since it uses as much as digits as its factorization.

1222552241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3200, while the sum is 26.

The square root of 1222552241 is about 34965.0145288115. The cubic root of 1222552241 is about 1069.2743328440.

The spelling of 1222552241 in words is "one billion, two hundred twenty-two million, five hundred fifty-two thousand, two hundred forty-one".