242122454 has 16 divisors (see below), whose sum is σ = 420069888. Its totient is φ = 102516072.

The previous prime is 242122451. The next prime is 242122457. The reversal of 242122454 is 454221242.

It is an interprime number because it is at equal distance from previous prime (242122451) and next prime (242122457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242122451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103022 + ... + 105345.

It is an arithmetic number, because the mean of its divisors is an integer number (26254368).

Almost surely, 2^242122454 is an apocalyptic number.

242122454 is a deficient number, since it is larger than the sum of its proper divisors (177947434).

242122454 is a wasteful number, since it uses less digits than its factorization.

242122454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208459.

The product of its digits is 5120, while the sum is 26.

The square root of 242122454 is about 15560.2845089671. The cubic root of 242122454 is about 623.2730600939.

Adding to 242122454 its reverse (454221242), we get a palindrome (696343696).

The spelling of 242122454 in words is "two hundred forty-two million, one hundred twenty-two thousand, four hundred fifty-four".