22845020819 has 2 divisors, whose sum is σ = 22845020820. Its totient is φ = 22845020818.

The previous prime is 22845020797. The next prime is 22845020833. The reversal of 22845020819 is 91802054822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22845020819 - 2¹² = 22845016723 is a prime.

It is a super-2 number, since 2×22845020819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22845020839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11422510409 + 11422510410.

It is an arithmetic number, because the mean of its divisors is an integer number (11422510410).

Almost surely, 2^22845020819 is an apocalyptic number.

22845020819 is a deficient number, since it is larger than the sum of its proper divisors (1).

22845020819 is an equidigital number, since it uses as much as digits as its factorization.

22845020819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 22845020819 in words is "twenty-two billion, eight hundred forty-five million, twenty thousand, eight hundred nineteen".