242122253444 has 6 divisors (see below), whose sum is σ = 423713943534. Its totient is φ = 121061126720.

The previous prime is 242122253423. The next prime is 242122253453. The reversal of 242122253444 is 444352221242.

It can be written as a sum of positive squares in only one way, i.e., 240039243844 + 2083009600 = 489938^2 + 45640^2 .

It is a super-2 number, since 2×242122253444² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30265281677 + ... + 30265281684.

It is an arithmetic number, because the mean of its divisors is an integer number (70618990589).

Almost surely, 2^242122253444 is an apocalyptic number.

It is an amenable number.

242122253444 is a deficient number, since it is larger than the sum of its proper divisors (181591690090).

242122253444 is a wasteful number, since it uses less digits than its factorization.

242122253444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60530563365 (or 60530563363 counting only the distinct ones).

The product of its digits is 122880, while the sum is 35.

Adding to 242122253444 its reverse (444352221242), we get a palindrome (686474474686).

The spelling of 242122253444 in words is "two hundred forty-two billion, one hundred twenty-two million, two hundred fifty-three thousand, four hundred forty-four".