254122242243 has 32 divisors (see below), whose sum is σ = 357118695936. Its totient is φ = 160426303488.

The previous prime is 254122242223. The next prime is 254122242287. The reversal of 254122242243 is 342242221452.

It is not a de Polignac number, because 254122242243 - 2³² = 249827274947 is a prime.

It is a super-2 number, since 2×254122242243² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254122242223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2846521 + ... + 2934437.

It is an arithmetic number, because the mean of its divisors is an integer number (11159959248).

Almost surely, 2^254122242243 is an apocalyptic number.

254122242243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

254122242243 is a deficient number, since it is larger than the sum of its proper divisors (102996453693).

254122242243 is a wasteful number, since it uses less digits than its factorization.

254122242243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88363.

The product of its digits is 61440, while the sum is 33.

Adding to 254122242243 its reverse (342242221452), we get a palindrome (596364463695).

The spelling of 254122242243 in words is "two hundred fifty-four billion, one hundred twenty-two million, two hundred forty-two thousand, two hundred forty-three".