245442422 has 4 divisors (see below), whose sum is σ = 368163636. Its totient is φ = 122721210.

The previous prime is 245442403. The next prime is 245442451. The reversal of 245442422 is 224244542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224244542 = 2 ⋅112122271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61360604 + ... + 61360607.

It is an arithmetic number, because the mean of its divisors is an integer number (92040909).

Almost surely, 2^245442422 is an apocalyptic number.

245442422 is a deficient number, since it is larger than the sum of its proper divisors (122721214).

245442422 is a wasteful number, since it uses less digits than its factorization.

245442422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122721213.

The product of its digits is 20480, while the sum is 29.

The square root of 245442422 is about 15666.6021204344. The cubic root of 245442422 is about 626.1088981615.

Adding to 245442422 its reverse (224244542), we get a palindrome (469686964).

The spelling of 245442422 in words is "two hundred forty-five million, four hundred forty-two thousand, four hundred twenty-two".