22061232238 has 4 divisors (see below), whose sum is σ = 33091848360. Its totient is φ = 11030616118.

The previous prime is 22061232223. The next prime is 22061232247. The reversal of 22061232238 is 83223216022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83223216022 = 2 ⋅41611608011.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 5515308058 + ... + 5515308061.

It is an arithmetic number, because the mean of its divisors is an integer number (8272962090).

Almost surely, 2^22061232238 is an apocalyptic number.

22061232238 is a deficient number, since it is larger than the sum of its proper divisors (11030616122).

22061232238 is a wasteful number, since it uses less digits than its factorization.

22061232238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030616121.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 22061232238 in words is "twenty-two billion, sixty-one million, two hundred thirty-two thousand, two hundred thirty-eight".