244220201425443 has 4 divisors (see below), whose sum is σ = 325626935233928. Its totient is φ = 162813467616960.

The previous prime is 244220201425379. The next prime is 244220201425457. The reversal of 244220201425443 is 344524102022442.

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

It is not a de Polignac number, because 244220201425443 - 2⁶ = 244220201425379 is a prime.

It is a super-2 number, since 2×244220201425443² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244220201425463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40703366904238 + ... + 40703366904243.

It is an arithmetic number, because the mean of its divisors is an integer number (81406733808482).

Almost surely, 2^{244220201425443} is an apocalyptic number.

244220201425443 is a deficient number, since it is larger than the sum of its proper divisors (81406733808485).

244220201425443 is an equidigital number, since it uses as much as digits as its factorization.

244220201425443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81406733808484.

The product of its (nonzero) digits is 491520, while the sum is 39.

Adding to 244220201425443 its reverse (344524102022442), we get a palindrome (588744303447885).

The spelling of 244220201425443 in words is "two hundred forty-four trillion, two hundred twenty billion, two hundred one million, four hundred twenty-five thousand, four hundred forty-three".