2022231257 has 2 divisors, whose sum is σ = 2022231258. Its totient is φ = 2022231256.

The previous prime is 2022231251. The next prime is 2022231283. The reversal of 2022231257 is 7521322202.

It is an a-pointer prime, because the next prime (2022231283) can be obtained adding 2022231257 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1835608336 + 186622921 = 42844^2 + 13661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022231257 - 2¹⁶ = 2022165721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2022231251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011115628 + 1011115629.

It is an arithmetic number, because the mean of its divisors is an integer number (1011115629).

Almost surely, 2^2022231257 is an apocalyptic number.

It is an amenable number.

2022231257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022231257 is an equidigital number, since it uses as much as digits as its factorization.

2022231257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2022231257 is about 44969.2256660041. The cubic root of 2022231257 is about 1264.5721304439.

Adding to 2022231257 its reverse (7521322202), we get a palindrome (9543553459).

The spelling of 2022231257 in words is "two billion, twenty-two million, two hundred thirty-one thousand, two hundred fifty-seven".