22238945554694 has 32 divisors (see below), whose sum is σ = 37658583631872. Its totient is φ = 9758131920000.

The previous prime is 22238945554687. The next prime is 22238945554699. The reversal of 22238945554694 is 49645554983222.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22238945554699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40385402 + ... + 40932365.

It is an arithmetic number, because the mean of its divisors is an integer number (1176830738496).

Almost surely, 2^{22238945554694} is an apocalyptic number.

22238945554694 is a deficient number, since it is larger than the sum of its proper divisors (15419638077178).

22238945554694 is a wasteful number, since it uses less digits than its factorization.

22238945554694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81318212.

The product of its digits is 746496000, while the sum is 68.

The spelling of 22238945554694 in words is "twenty-two trillion, two hundred thirty-eight billion, nine hundred forty-five million, five hundred fifty-four thousand, six hundred ninety-four".