22487001001 has 2 divisors, whose sum is σ = 22487001002. Its totient is φ = 22487001000.

The previous prime is 22487000969. The next prime is 22487001023. The reversal of 22487001001 is 10010078422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19446581401 + 3040419600 = 139451^2 + 55140^2 .

It is a cyclic number.

It is not a de Polignac number, because 22487001001 - 2⁵ = 22487000969 is a prime.

It is not a weakly prime, because it can be changed into another prime (22487001071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11243500500 + 11243500501.

It is an arithmetic number, because the mean of its divisors is an integer number (11243500501).

Almost surely, 2^22487001001 is an apocalyptic number.

It is an amenable number.

22487001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22487001001 is an equidigital number, since it uses as much as digits as its factorization.

22487001001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 22487001001 its reverse (10010078422), we get a palindrome (32497079423).

The spelling of 22487001001 in words is "twenty-two billion, four hundred eighty-seven million, one thousand, one".