33642222224632 has 96 divisors (see below), whose sum is σ = 74102598835200. Its totient is φ = 14275726670016.

The previous prime is 33642222224627. The next prime is 33642222224683. The reversal of 33642222224632 is 23642222224633.

It is a super-2 number, since 2×33642222224632² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252808369 + ... + 252941407.

It is an arithmetic number, because the mean of its divisors is an integer number (771902071200).

Almost surely, 2^{33642222224632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33642222224632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37051299417600).

33642222224632 is an abundant number, since it is smaller than the sum of its proper divisors (40460376610568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33642222224632 is a wasteful number, since it uses less digits than its factorization.

33642222224632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139425 (or 139414 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 43.

Subtracting from 33642222224632 its reverse (23642222224633), we obtain a palindrome (9999999999999).

The spelling of 33642222224632 in words is "thirty-three trillion, six hundred forty-two billion, two hundred twenty-two million, two hundred twenty-four thousand, six hundred thirty-two".