22554021629 has 2 divisors, whose sum is σ = 22554021630. Its totient is φ = 22554021628.

The previous prime is 22554021577. The next prime is 22554021671. The reversal of 22554021629 is 92612045522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21313080100 + 1240941529 = 145990^2 + 35227^2 .

It is a cyclic number.

It is not a de Polignac number, because 22554021629 - 2²⁴ = 22537244413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22554021592 and 22554021601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22554221629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277010814 + 11277010815.

It is an arithmetic number, because the mean of its divisors is an integer number (11277010815).

Almost surely, 2^22554021629 is an apocalyptic number.

It is an amenable number.

22554021629 is a deficient number, since it is larger than the sum of its proper divisors (1).

22554021629 is an equidigital number, since it uses as much as digits as its factorization.

22554021629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 22554021629 in words is "twenty-two billion, five hundred fifty-four million, twenty-one thousand, six hundred twenty-nine".