22738161541 has 4 divisors (see below), whose sum is σ = 22747479084. Its totient is φ = 22728844000.

The previous prime is 22738161503. The next prime is 22738161547. The reversal of 22738161541 is 14516183722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14516183722 = 2 ⋅7258091861.

It can be written as a sum of positive squares in 2 ways, for example, as 5813452516 + 16924709025 = 76246^2 + 130095^2 .

It is a cyclic number.

It is not a de Polignac number, because 22738161541 - 2⁹ = 22738161029 is a prime.

It is a super-2 number, since 2×22738161541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22738161494 and 22738161503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22738161547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4655110 + ... + 4659991.

It is an arithmetic number, because the mean of its divisors is an integer number (5686869771).

Almost surely, 2^22738161541 is an apocalyptic number.

It is an amenable number.

22738161541 is a deficient number, since it is larger than the sum of its proper divisors (9317543).

22738161541 is an equidigital number, since it uses as much as digits as its factorization.

22738161541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317542.

The product of its digits is 80640, while the sum is 40.

The spelling of 22738161541 in words is "twenty-two billion, seven hundred thirty-eight million, one hundred sixty-one thousand, five hundred forty-one".