1244220220430 has 32 divisors (see below), whose sum is σ = 2444241121920. Its totient is φ = 452250188320.

The previous prime is 1244220220423. The next prime is 1244220220511. The reversal of 1244220220430 is 340220224421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244220220430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160644 + ... + 2675223.

It is an arithmetic number, because the mean of its divisors is an integer number (76382535060).

Almost surely, 2^{1244220220430} is an apocalyptic number.

1244220220430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244220220430 is a deficient number, since it is larger than the sum of its proper divisors (1200020901490).

1244220220430 is a wasteful number, since it uses less digits than its factorization.

1244220220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838224.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 1244220220430 its reverse (340220224421), we get a palindrome (1584440444851).

The spelling of 1244220220430 in words is "one trillion, two hundred forty-four billion, two hundred twenty million, two hundred twenty thousand, four hundred thirty".