35520122225 has 12 divisors (see below), whose sum is σ = 50337087744. Its totient is φ = 24356655120.

The previous prime is 35520122221. The next prime is 35520122251. The reversal of 35520122225 is 52222102553.

It is not a de Polignac number, because 35520122225 - 2² = 35520122221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35520122221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101485889 + ... + 101486238.

It is an arithmetic number, because the mean of its divisors is an integer number (4194757312).

Almost surely, 2^35520122225 is an apocalyptic number.

35520122225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

35520122225 is a deficient number, since it is larger than the sum of its proper divisors (14816965519).

35520122225 is a wasteful number, since it uses less digits than its factorization.

35520122225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202972144 (or 202972139 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 35520122225 its reverse (52222102553), we get a palindrome (87742224778).

The spelling of 35520122225 in words is "thirty-five billion, five hundred twenty million, one hundred twenty-two thousand, two hundred twenty-five".