1225164602344 has 8 divisors (see below), whose sum is σ = 2297183629410. Its totient is φ = 612582301168.

The previous prime is 1225164602281. The next prime is 1225164602351. The reversal of 1225164602344 is 4432064615221.

It can be written as a sum of positive squares in only one way, i.e., 1157642579844 + 67522022500 = 1075938^2 + 259850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1225164602297 and 1225164602306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76572787639 + ... + 76572787654.

Almost surely, 2^{1225164602344} is an apocalyptic number.

It is an amenable number.

1225164602344 is a deficient number, since it is larger than the sum of its proper divisors (1072019027066).

1225164602344 is a wasteful number, since it uses less digits than its factorization.

1225164602344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153145575299 (or 153145575295 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 1225164602344 in words is "one trillion, two hundred twenty-five billion, one hundred sixty-four million, six hundred two thousand, three hundred forty-four".