22232409998947 has 2 divisors, whose sum is σ = 22232409998948. Its totient is φ = 22232409998946.

The previous prime is 22232409998839. The next prime is 22232409998957. The reversal of 22232409998947 is 74989990423222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22232409998947 - 2⁷ = 22232409998819 is a prime.

It is a super-2 number, since 2×22232409998947² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22232409998957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116204999473 + 11116204999474.

It is an arithmetic number, because the mean of its divisors is an integer number (11116204999474).

Almost surely, 2^{22232409998947} is an apocalyptic number.

22232409998947 is a deficient number, since it is larger than the sum of its proper divisors (1).

22232409998947 is an equidigital number, since it uses as much as digits as its factorization.

22232409998947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282175488, while the sum is 70.

The spelling of 22232409998947 in words is "twenty-two trillion, two hundred thirty-two billion, four hundred nine million, nine hundred ninety-eight thousand, nine hundred forty-seven".