22252000251541 has 4 divisors (see below), whose sum is σ = 22252354910892. Its totient is φ = 22251645592192.

The previous prime is 22252000251521. The next prime is 22252000251571. The reversal of 22252000251541 is 14515200025222.

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 9091756684516 + 13160243567025 = 3015254^2 + 3627705^2 .

It is a cyclic number.

It is not a de Polignac number, because 22252000251541 - 2²¹ = 22251998154389 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 (22252000251521) 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, 177235546 + ... + 177361051.

It is an arithmetic number, because the mean of its divisors is an integer number (5563088727723).

Almost surely, 2^{22252000251541} is an apocalyptic number.

It is an amenable number.

22252000251541 is a deficient number, since it is larger than the sum of its proper divisors (354659351).

22252000251541 is an equidigital number, since it uses as much as digits as its factorization.

22252000251541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354659350.

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

Adding to 22252000251541 its reverse (14515200025222), we get a palindrome (36767200276763).

The spelling of 22252000251541 in words is "twenty-two trillion, two hundred fifty-two billion, two hundred fifty-one thousand, five hundred forty-one".