1501444222225 has 12 divisors (see below), whose sum is σ = 1942738263936. Its totient is φ = 1148931230480.

The previous prime is 1501444222211. The next prime is 1501444222283. The reversal of 1501444222225 is 5222224441051.

It is not a de Polignac number, because 1501444222225 - 2¹⁵ = 1501444189457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1305603097 + ... + 1305604246.

It is an arithmetic number, because the mean of its divisors is an integer number (161894855328).

Almost surely, 2^{1501444222225} is an apocalyptic number.

It is an amenable number.

1501444222225 is a deficient number, since it is larger than the sum of its proper divisors (441294041711).

1501444222225 is a wasteful number, since it uses less digits than its factorization.

1501444222225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611207376 (or 2611207371 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 1501444222225 its reverse (5222224441051), we get a palindrome (6723668663276).

The spelling of 1501444222225 in words is "one trillion, five hundred one billion, four hundred forty-four million, two hundred twenty-two thousand, two hundred twenty-five".