254243513222215 has 8 divisors (see below), whose sum is σ = 332827871854608. Its totient is φ = 184904373252480.

The previous prime is 254243513222201. The next prime is 254243513222291. The reversal of 254243513222215 is 512222315342452.

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

It is not a de Polignac number, because 254243513222215 - 2¹¹ = 254243513220167 is a prime.

It is a super-2 number, since 2×254243513222215² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311304665602 + ... + 2311304665711.

It is an arithmetic number, because the mean of its divisors is an integer number (41603483981826).

Almost surely, 2^{254243513222215} is an apocalyptic number.

254243513222215 is a deficient number, since it is larger than the sum of its proper divisors (78584358632393).

254243513222215 is a wasteful number, since it uses less digits than its factorization.

254243513222215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622609331329.

The product of its digits is 1152000, while the sum is 43.

Adding to 254243513222215 its reverse (512222315342452), we get a palindrome (766465828564667).

The spelling of 254243513222215 in words is "two hundred fifty-four trillion, two hundred forty-three billion, five hundred thirteen million, two hundred twenty-two thousand, two hundred fifteen".