22198304394 has 32 divisors (see below), whose sum is σ = 56376647040. Its totient is φ = 6342372576.

The previous prime is 22198304377. The next prime is 22198304407. The reversal of 22198304394 is 49340389122.

22198304394 is a `hidden beast` number, since 22 + 198 + 3 + 0 + 439 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29362459 + ... + 29363214.

It is an arithmetic number, because the mean of its divisors is an integer number (1761770220).

Almost surely, 2^22198304394 is an apocalyptic number.

22198304394 is an abundant number, since it is smaller than the sum of its proper divisors (34178342646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22198304394 is a wasteful number, since it uses less digits than its factorization.

22198304394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58725691 (or 58725685 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 22198304394 in words is "twenty-two billion, one hundred ninety-eight million, three hundred four thousand, three hundred ninety-four".