22028658811 has 2 divisors, whose sum is σ = 22028658812. Its totient is φ = 22028658810.

The previous prime is 22028658797. The next prime is 22028658877. The reversal of 22028658811 is 11885682022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22028658811 - 2¹⁵ = 22028626043 is a prime.

It is a super-2 number, since 2×22028658811² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22020658811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11014329405 + 11014329406.

It is an arithmetic number, because the mean of its divisors is an integer number (11014329406).

Almost surely, 2^22028658811 is an apocalyptic number.

22028658811 is a deficient number, since it is larger than the sum of its proper divisors (1).

22028658811 is an equidigital number, since it uses as much as digits as its factorization.

22028658811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 22028658811 in words is "twenty-two billion, twenty-eight million, six hundred fifty-eight thousand, eight hundred eleven".