22556126700157 has 2 divisors, whose sum is σ = 22556126700158. Its totient is φ = 22556126700156.

The previous prime is 22556126700101. The next prime is 22556126700167. The reversal of 22556126700157 is 75100762165522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20612517090201 + 1943609609956 = 4540101^2 + 1394134^2 .

It is a cyclic number.

It is not a de Polignac number, because 22556126700157 - 2²³ = 22556118311549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22556126700157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22556126700167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278063350078 + 11278063350079.

It is an arithmetic number, because the mean of its divisors is an integer number (11278063350079).

Almost surely, 2^{22556126700157} is an apocalyptic number.

It is an amenable number.

22556126700157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22556126700157 is an equidigital number, since it uses as much as digits as its factorization.

22556126700157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764000, while the sum is 49.

Adding to 22556126700157 its reverse (75100762165522), we get a palindrome (97656888865679).

The spelling of 22556126700157 in words is "twenty-two trillion, five hundred fifty-six billion, one hundred twenty-six million, seven hundred thousand, one hundred fifty-seven".