22540313501 has 4 divisors (see below), whose sum is σ = 22558655100. Its totient is φ = 22521971904.

The previous prime is 22540313489. The next prime is 22540313507. The reversal of 22540313501 is 10531304522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20964144100 + 1576169401 = 144790^2 + 39701^2 .

It is a cyclic number.

It is not a de Polignac number, because 22540313501 - 2⁶ = 22540313437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540313507) 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, 9168956 + ... + 9171413.

It is an arithmetic number, because the mean of its divisors is an integer number (5639663775).

Almost surely, 2^22540313501 is an apocalyptic number.

It is an amenable number.

22540313501 is a deficient number, since it is larger than the sum of its proper divisors (18341599).

22540313501 is a wasteful number, since it uses less digits than its factorization.

22540313501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18341598.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 22540313501 in words is "twenty-two billion, five hundred forty million, three hundred thirteen thousand, five hundred one".