245222254001 has 4 divisors (see below), whose sum is σ = 245331195504. Its totient is φ = 245113312500.

The previous prime is 245222253979. The next prime is 245222254027. The reversal of 245222254001 is 100452222542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245222254001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245222254091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54467375 + ... + 54471876.

It is an arithmetic number, because the mean of its divisors is an integer number (61332798876).

Almost surely, 2^245222254001 is an apocalyptic number.

It is an amenable number.

245222254001 is a deficient number, since it is larger than the sum of its proper divisors (108941503).

245222254001 is a wasteful number, since it uses less digits than its factorization.

245222254001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108941502.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 245222254001 its reverse (100452222542), we get a palindrome (345674476543).

The spelling of 245222254001 in words is "two hundred forty-five billion, two hundred twenty-two million, two hundred fifty-four thousand, one".