1225224710144 has 96 divisors (see below), whose sum is σ = 2543997456000. Its totient is φ = 589231276032.

The previous prime is 1225224710131. The next prime is 1225224710167. The reversal of 1225224710144 is 4410174225221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15580877 + ... + 15659315.

It is an arithmetic number, because the mean of its divisors is an integer number (26499973500).

Almost surely, 2^{1225224710144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225224710144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271998728000).

1225224710144 is an abundant number, since it is smaller than the sum of its proper divisors (1318772745856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225224710144 is an equidigital number, since it uses as much as digits as its factorization.

1225224710144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78753 (or 78733 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

Adding to 1225224710144 its reverse (4410174225221), we get a palindrome (5635398935365).

The spelling of 1225224710144 in words is "one trillion, two hundred twenty-five billion, two hundred twenty-four million, seven hundred ten thousand, one hundred forty-four".