22028266862629 has 2 divisors, whose sum is σ = 22028266862630. Its totient is φ = 22028266862628.

The previous prime is 22028266862621. The next prime is 22028266862737. The reversal of 22028266862629 is 92626866282022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15441206020900 + 6587060841729 = 3929530^2 + 2566527^2 .

It is a cyclic number.

It is not a de Polignac number, because 22028266862629 - 2³ = 22028266862621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22028266862621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11014133431314 + 11014133431315.

It is an arithmetic number, because the mean of its divisors is an integer number (11014133431315).

Almost surely, 2^{22028266862629} is an apocalyptic number.

It is an amenable number.

22028266862629 is a deficient number, since it is larger than the sum of its proper divisors (1).

22028266862629 is an equidigital number, since it uses as much as digits as its factorization.

22028266862629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47775744, while the sum is 61.

The spelling of 22028266862629 in words is "twenty-two trillion, twenty-eight billion, two hundred sixty-six million, eight hundred sixty-two thousand, six hundred twenty-nine".