33421634225 has 12 divisors (see below), whose sum is σ = 47363230464. Its totient is φ = 22917691920.

The previous prime is 33421634221. The next prime is 33421634231. The reversal of 33421634225 is 52243612433.

It is a happy number.

It is not a de Polignac number, because 33421634225 - 2² = 33421634221 is a prime.

It is a super-2 number, since 2×33421634225² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33421634221) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 95490209 + ... + 95490558.

It is an arithmetic number, because the mean of its divisors is an integer number (3946935872).

Almost surely, 2^33421634225 is an apocalyptic number.

33421634225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33421634225 is a deficient number, since it is larger than the sum of its proper divisors (13941596239).

33421634225 is a wasteful number, since it uses less digits than its factorization.

33421634225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190980784 (or 190980779 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

The spelling of 33421634225 in words is "thirty-three billion, four hundred twenty-one million, six hundred thirty-four thousand, two hundred twenty-five".