22040102761 has 8 divisors (see below), whose sum is σ = 23967298440. Its totient is φ = 20182987008.

The previous prime is 22040102759. The next prime is 22040102789. The reversal of 22040102761 is 16720104022.

It can be written as a sum of positive squares in 4 ways, for example, as 9900250000 + 12139852761 = 99500^2 + 110181^2 .

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 22040102761 - 2¹ = 22040102759 is a prime.

It is a super-2 number, since 2×22040102761² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22040102731) 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, 17519326 + ... + 17520583.

It is an arithmetic number, because the mean of its divisors is an integer number (2995912305).

Almost surely, 2^22040102761 is an apocalyptic number.

It is an amenable number.

22040102761 is a deficient number, since it is larger than the sum of its proper divisors (1927195679).

22040102761 is a wasteful number, since it uses less digits than its factorization.

22040102761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35039963.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 22040102761 its reverse (16720104022), we get a palindrome (38760206783).

The spelling of 22040102761 in words is "twenty-two billion, forty million, one hundred two thousand, seven hundred sixty-one".