242100422 has 4 divisors (see below), whose sum is σ = 363150636. Its totient is φ = 121050210.

The previous prime is 242100407. The next prime is 242100427. The reversal of 242100422 is 224001242.

It is a happy number.

242100422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×242100422² = 117225228665156168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242100422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242100427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60525104 + ... + 60525107.

It is an arithmetic number, because the mean of its divisors is an integer number (90787659).

Almost surely, 2^242100422 is an apocalyptic number.

242100422 is a deficient number, since it is larger than the sum of its proper divisors (121050214).

242100422 is a wasteful number, since it uses less digits than its factorization.

242100422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121050213.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 242100422 is about 15559.5765366542. The cubic root of 242100422 is about 623.2541545520.

Adding to 242100422 its reverse (224001242), we get a palindrome (466101664).

The spelling of 242100422 in words is "two hundred forty-two million, one hundred thousand, four hundred twenty-two".