22141765738 has 4 divisors (see below), whose sum is σ = 33212648610. Its totient is φ = 11070882868.

The previous prime is 22141765733. The next prime is 22141765739. The reversal of 22141765738 is 83756714122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20433844809 + 1707920929 = 142947^2 + 41327^2 .

It is not an unprimeable number, because it can be changed into a prime (22141765733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535441433 + ... + 5535441436.

Almost surely, 2^22141765738 is an apocalyptic number.

22141765738 is a deficient number, since it is larger than the sum of its proper divisors (11070882872).

22141765738 is a wasteful number, since it uses less digits than its factorization.

22141765738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11070882871.

The product of its digits is 564480, while the sum is 46.

The spelling of 22141765738 in words is "twenty-two billion, one hundred forty-one million, seven hundred sixty-five thousand, seven hundred thirty-eight".