22018338424 has 8 divisors (see below), whose sum is σ = 41284384560. Its totient is φ = 11009169208.

The previous prime is 22018338413. The next prime is 22018338437. The reversal of 22018338424 is 42483381022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376146144 + ... + 1376146159.

It is an arithmetic number, because the mean of its divisors is an integer number (5160548070).

Almost surely, 2^22018338424 is an apocalyptic number.

It is an amenable number.

22018338424 is a deficient number, since it is larger than the sum of its proper divisors (19266046136).

22018338424 is a wasteful number, since it uses less digits than its factorization.

22018338424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752292309 (or 2752292305 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 22018338424 in words is "twenty-two billion, eighteen million, three hundred thirty-eight thousand, four hundred twenty-four".