1522220547144 has 32 divisors (see below), whose sum is σ = 4151510583840. Its totient is φ = 461278953600.

The previous prime is 1522220547143. The next prime is 1522220547209. The reversal of 1522220547144 is 4417450222251.

It is not an unprimeable number, because it can be changed into a prime (1522220547143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882993197 + ... + 2882993724.

It is an arithmetic number, because the mean of its divisors is an integer number (129734705745).

Almost surely, 2^{1522220547144} is an apocalyptic number.

It is an amenable number.

1522220547144 is an abundant number, since it is smaller than the sum of its proper divisors (2629290036696).

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

1522220547144 is a wasteful number, since it uses less digits than its factorization.

1522220547144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765986941 (or 5765986937 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 39.

Adding to 1522220547144 its reverse (4417450222251), we get a palindrome (5939670769395).

The spelling of 1522220547144 in words is "one trillion, five hundred twenty-two billion, two hundred twenty million, five hundred forty-seven thousand, one hundred forty-four".