1222540301 has 2 divisors, whose sum is σ = 1222540302. Its totient is φ = 1222540300.

The previous prime is 1222540279. The next prime is 1222540379. The reversal of 1222540301 is 1030452221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 849664201 + 372876100 = 29149^2 + 19310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222540301 - 2²⁶ = 1155431437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222540001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611270150 + 611270151.

It is an arithmetic number, because the mean of its divisors is an integer number (611270151).

Almost surely, 2^1222540301 is an apocalyptic number.

It is an amenable number.

1222540301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222540301 is an equidigital number, since it uses as much as digits as its factorization.

1222540301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1222540301 is about 34964.8437862948. The cubic root of 1222540301 is about 1069.2708518265.

Adding to 1222540301 its reverse (1030452221), we get a palindrome (2252992522).

The spelling of 1222540301 in words is "one billion, two hundred twenty-two million, five hundred forty thousand, three hundred one".