35512221625 has 16 divisors (see below), whose sum is σ = 44541993600. Its totient is φ = 28266994800.

The previous prime is 35512221607. The next prime is 35512221629. The reversal of 35512221625 is 52612221553.

It is not a de Polignac number, because 35512221625 - 2⁹ = 35512221113 is a prime.

It is a super-2 number, since 2×35512221625² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (35512221629) 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 15 ways as a sum of consecutive naturals, for example, 688939 + ... + 738688.

It is an arithmetic number, because the mean of its divisors is an integer number (2783874600).

Almost surely, 2^35512221625 is an apocalyptic number.

It is an amenable number.

35512221625 is a deficient number, since it is larger than the sum of its proper divisors (9029771975).

35512221625 is a wasteful number, since it uses less digits than its factorization.

35512221625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427841 (or 1427831 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The spelling of 35512221625 in words is "thirty-five billion, five hundred twelve million, two hundred twenty-one thousand, six hundred twenty-five".