33642222225 has 48 divisors (see below), whose sum is σ = 60438036480. Its totient is φ = 16449825600.

The previous prime is 33642222113. The next prime is 33642222239. The reversal of 33642222225 is 52222224633.

It is not a de Polignac number, because 33642222225 - 2¹⁴ = 33642205841 is a prime.

It is a super-2 number, since 2×33642222225² (a number of 22 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 336609 + ... + 424958.

It is an arithmetic number, because the mean of its divisors is an integer number (1259125760).

Almost surely, 2^33642222225 is an apocalyptic number.

It is an amenable number.

33642222225 is a deficient number, since it is larger than the sum of its proper divisors (26795814255).

33642222225 is a wasteful number, since it uses less digits than its factorization.

33642222225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761630 (or 761625 counting only the distinct ones).

The product of its digits is 69120, while the sum is 33.

Adding to 33642222225 its reverse (52222224633), we get a palindrome (85864446858).

The spelling of 33642222225 in words is "thirty-three billion, six hundred forty-two million, two hundred twenty-two thousand, two hundred twenty-five".