22838761981 has 8 divisors (see below), whose sum is σ = 26415918144. Its totient is φ = 19340224800.

The previous prime is 22838761951. The next prime is 22838761991. The reversal of 22838761981 is 18916783822.

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

It is a cyclic number.

It is not a de Polignac number, because 22838761981 - 2⁷ = 22838761853 is a prime.

It is a super-2 number, since 2×22838761981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22838761931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19654120 + ... + 19655281.

It is an arithmetic number, because the mean of its divisors is an integer number (3301989768).

Almost surely, 2^22838761981 is an apocalyptic number.

It is an amenable number.

22838761981 is a deficient number, since it is larger than the sum of its proper divisors (3577156163).

22838761981 is an equidigital number, since it uses as much as digits as its factorization.

22838761981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39309491.

The product of its digits is 2322432, while the sum is 55.

The spelling of 22838761981 in words is "twenty-two billion, eight hundred thirty-eight million, seven hundred sixty-one thousand, nine hundred eighty-one".