1420244334225 has 36 divisors (see below), whose sum is σ = 2544052153500. Its totient is φ = 757393150080.

The previous prime is 1420244334221. The next prime is 1420244334227. The reversal of 1420244334225 is 5224334420241.

1420244334225 is a `hidden beast` number, since 1 + 4 + 202 + 443 + 3 + 4 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 159232123521 + 1261012210704 = 399039^2 + 1122948^2 .

It is not a de Polignac number, because 1420244334225 - 2² = 1420244334221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420244334225.

It is not an unprimeable number, because it can be changed into a prime (1420244334221) 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 35 ways as a sum of consecutive naturals, for example, 2175271 + ... + 2751779.

It is an arithmetic number, because the mean of its divisors is an integer number (70668115375).

Almost surely, 2^{1420244334225} is an apocalyptic number.

1420244334225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420244334225 is a deficient number, since it is larger than the sum of its proper divisors (1123807819275).

1420244334225 is a wasteful number, since it uses less digits than its factorization.

1420244334225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587474 (or 587466 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 1420244334225 its reverse (5224334420241), we get a palindrome (6644578754466).

The spelling of 1420244334225 in words is "one trillion, four hundred twenty billion, two hundred forty-four million, three hundred thirty-four thousand, two hundred twenty-five".