22106001423257 has 2 divisors, whose sum is σ = 22106001423258. Its totient is φ = 22106001423256.

The previous prime is 22106001423239. The next prime is 22106001423287. The reversal of 22106001423257 is 75232410060122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18774577025296 + 3331424397961 = 4332964^2 + 1825219^2 .

It is a cyclic number.

It is not a de Polignac number, because 22106001423257 - 2²⁸ = 22105732987801 is a prime.

It is a super-3 number, since 3×22106001423257³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22106001423217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11053000711628 + 11053000711629.

It is an arithmetic number, because the mean of its divisors is an integer number (11053000711629).

Almost surely, 2^{22106001423257} is an apocalyptic number.

It is an amenable number.

22106001423257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22106001423257 is an equidigital number, since it uses as much as digits as its factorization.

22106001423257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 22106001423257 its reverse (75232410060122), we get a palindrome (97338411483379).

The spelling of 22106001423257 in words is "twenty-two trillion, one hundred six billion, one million, four hundred twenty-three thousand, two hundred fifty-seven".