22022031901 has 2 divisors, whose sum is σ = 22022031902. Its totient is φ = 22022031900.

The previous prime is 22022031853. The next prime is 22022032003. The reversal of 22022031901 is 10913022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17401567225 + 4620464676 = 131915^2 + 67974^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022031901 - 2²¹ = 22019934749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022031401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011015950 + 11011015951.

It is an arithmetic number, because the mean of its divisors is an integer number (11011015951).

Almost surely, 2^22022031901 is an apocalyptic number.

It is an amenable number.

22022031901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022031901 is an equidigital number, since it uses as much as digits as its factorization.

22022031901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 22022031901 its reverse (10913022022), we get a palindrome (32935053923).

The spelling of 22022031901 in words is "twenty-two billion, twenty-two million, thirty-one thousand, nine hundred one".