22501452541 has 4 divisors (see below), whose sum is σ = 22618040572. Its totient is φ = 22384864512.

The previous prime is 22501452497. The next prime is 22501452583. The reversal of 22501452541 is 14525410522.

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 3081915225 + 19419537316 = 55515^2 + 139354^2 .

It is a cyclic number.

It is not a de Polignac number, because 22501452541 - 2¹¹ = 22501450493 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 (22561452541) 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, 58293726 + ... + 58294111.

It is an arithmetic number, because the mean of its divisors is an integer number (5654510143).

Almost surely, 2^22501452541 is an apocalyptic number.

It is an amenable number.

22501452541 is a deficient number, since it is larger than the sum of its proper divisors (116588031).

22501452541 is a wasteful number, since it uses less digits than its factorization.

22501452541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116588030.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 22501452541 in words is "twenty-two billion, five hundred one million, four hundred fifty-two thousand, five hundred forty-one".