22240020394 has 8 divisors (see below), whose sum is σ = 33360781248. Its totient is φ = 11119759980.

The previous prime is 22240020373. The next prime is 22240020437. The reversal of 22240020394 is 49302004222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19359 + ... + 211789.

It is an arithmetic number, because the mean of its divisors is an integer number (4170097656).

Almost surely, 2^22240020394 is an apocalyptic number.

22240020394 is a deficient number, since it is larger than the sum of its proper divisors (11120760854).

22240020394 is a wasteful number, since it uses less digits than its factorization.

22240020394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250220.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 22240020394 in words is "twenty-two billion, two hundred forty million, twenty thousand, three hundred ninety-four".