22004100545 has 32 divisors (see below), whose sum is σ = 32790036480. Its totient is φ = 13833270720.

The previous prime is 22004100541. The next prime is 22004100557. The reversal of 22004100545 is 54500140022.

It is a happy number.

It is not a de Polignac number, because 22004100545 - 2² = 22004100541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22004100545.

It is not an unprimeable number, because it can be changed into a prime (22004100541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513077 + ... + 554306.

It is an arithmetic number, because the mean of its divisors is an integer number (1024688640).

Almost surely, 2^22004100545 is an apocalyptic number.

It is an amenable number.

22004100545 is a deficient number, since it is larger than the sum of its proper divisors (10785935935).

22004100545 is a wasteful number, since it uses less digits than its factorization.

22004100545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067445.

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 22004100545 its reverse (54500140022), we get a palindrome (76504240567).

The spelling of 22004100545 in words is "twenty-two billion, four million, one hundred thousand, five hundred forty-five".