22040040381 has 8 divisors (see below), whose sum is σ = 29387628384. Its totient is φ = 14692906320.

The previous prime is 22040040361. The next prime is 22040040383. The reversal of 22040040381 is 18304004022.

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

It is not a de Polignac number, because 22040040381 - 2⁵ = 22040040349 is a prime.

It is a super-2 number, since 2×22040040381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040040383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23391 + ... + 211251.

It is an arithmetic number, because the mean of its divisors is an integer number (3673453548).

Almost surely, 2^22040040381 is an apocalyptic number.

It is an amenable number.

22040040381 is a deficient number, since it is larger than the sum of its proper divisors (7347588003).

22040040381 is a wasteful number, since it uses less digits than its factorization.

22040040381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226971.

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 22040040381 in words is "twenty-two billion, forty million, forty thousand, three hundred eighty-one".