2022240397 has 2 divisors, whose sum is σ = 2022240398. Its totient is φ = 2022240396.

The previous prime is 2022240373. The next prime is 2022240443. The reversal of 2022240397 is 7930422202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2015920201 + 6320196 = 44899^2 + 2514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022240397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022240307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011120198 + 1011120199.

It is an arithmetic number, because the mean of its divisors is an integer number (1011120199).

Almost surely, 2^2022240397 is an apocalyptic number.

It is an amenable number.

2022240397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022240397 is an equidigital number, since it uses as much as digits as its factorization.

2022240397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2022240397 is about 44969.3272909435. The cubic root of 2022240397 is about 1264.5740356285.

Adding to 2022240397 its reverse (7930422202), we get a palindrome (9952662599).

The spelling of 2022240397 in words is "two billion, twenty-two million, two hundred forty thousand, three hundred ninety-seven".