22151225503441 has 8 divisors (see below), whose sum is σ = 22379024105064. Its totient is φ = 21924592112640.

The previous prime is 22151225503411. The next prime is 22151225503507. The reversal of 22151225503441 is 14430552215122.

It can be written as a sum of positive squares in 4 ways, for example, as 12179429929216 + 9971795574225 = 3489904^2 + 3157815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22151225503441 - 2¹⁹ = 22151224979153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22151225503441.

It is not an unprimeable number, because it can be changed into a prime (22151225503411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291264490 + ... + 291340531.

It is an arithmetic number, because the mean of its divisors is an integer number (2797378013133).

Almost surely, 2^{22151225503441} is an apocalyptic number.

It is an amenable number.

22151225503441 is a deficient number, since it is larger than the sum of its proper divisors (227798601623).

22151225503441 is a wasteful number, since it uses less digits than its factorization.

22151225503441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582605411.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 22151225503441 its reverse (14430552215122), we get a palindrome (36581777718563).

The spelling of 22151225503441 in words is "twenty-two trillion, one hundred fifty-one billion, two hundred twenty-five million, five hundred three thousand, four hundred forty-one".