244001422451 has 4 divisors (see below), whose sum is σ = 256843602600. Its totient is φ = 231159242304.

The previous prime is 244001422429. The next prime is 244001422453. The reversal of 244001422451 is 154224100442.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 244001422451 - 2⁶ = 244001422387 is a prime.

It is a super-2 number, since 2×244001422451² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (244001422453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6421090046 + ... + 6421090083.

It is an arithmetic number, because the mean of its divisors is an integer number (64210900650).

Almost surely, 2^244001422451 is an apocalyptic number.

244001422451 is a deficient number, since it is larger than the sum of its proper divisors (12842180149).

244001422451 is a wasteful number, since it uses less digits than its factorization.

244001422451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12842180148.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 244001422451 its reverse (154224100442), we get a palindrome (398225522893).

The spelling of 244001422451 in words is "two hundred forty-four billion, one million, four hundred twenty-two thousand, four hundred fifty-one".