22423305664450 has 12 divisors (see below), whose sum is σ = 41707348535970. Its totient is φ = 8969322265760.

The previous prime is 22423305664439. The next prime is 22423305664477. The reversal of 22423305664450 is 5446650332422.

It can be written as a sum of positive squares in 3 ways, for example, as 9873439693209 + 12549865971241 = 3142203^2 + 3542579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22423305664450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224233056595 + ... + 224233056694.

Almost surely, 2^{22423305664450} is an apocalyptic number.

22423305664450 is a deficient number, since it is larger than the sum of its proper divisors (19284042871520).

22423305664450 is a wasteful number, since it uses less digits than its factorization.

22423305664450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448466113301 (or 448466113296 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 46.

Adding to 22423305664450 its reverse (5446650332422), we get a palindrome (27869955996872).

The spelling of 22423305664450 in words is "twenty-two trillion, four hundred twenty-three billion, three hundred five million, six hundred sixty-four thousand, four hundred fifty".