245422101 has 8 divisors (see below), whose sum is σ = 330125760. Its totient is φ = 162166592.

The previous prime is 245422087. The next prime is 245422103. The reversal of 245422101 is 101224542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245422101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245422103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361641 + ... + 362318.

It is an arithmetic number, because the mean of its divisors is an integer number (41265720).

Almost surely, 2^245422101 is an apocalyptic number.

It is an amenable number.

245422101 is a deficient number, since it is larger than the sum of its proper divisors (84703659).

245422101 is a wasteful number, since it uses less digits than its factorization.

245422101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724075.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 245422101 is about 15665.9535617849. The cubic root of 245422101 is about 626.0916184672.

Adding to 245422101 its reverse (101224542), we get a palindrome (346646643).

The spelling of 245422101 in words is "two hundred forty-five million, four hundred twenty-two thousand, one hundred one".