20222750819 has 2 divisors, whose sum is σ = 20222750820. Its totient is φ = 20222750818.

The previous prime is 20222750813. The next prime is 20222750827. The reversal of 20222750819 is 91805722202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20222750819 - 2²⁸ = 19954315363 is a prime.

It is a super-2 number, since 2×20222750819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20222750813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111375409 + 10111375410.

It is an arithmetic number, because the mean of its divisors is an integer number (10111375410).

Almost surely, 2^20222750819 is an apocalyptic number.

20222750819 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222750819 is an equidigital number, since it uses as much as digits as its factorization.

20222750819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 20222750819 in words is "twenty billion, two hundred twenty-two million, seven hundred fifty thousand, eight hundred nineteen".