22033220552640 has 252 divisors, whose sum is σ = 83300977016712. Its totient is φ = 5341386716160.

The previous prime is 22033220552569. The next prime is 22033220552731. The reversal of 22033220552640 is 4625502233022.

22033220552640 is a `hidden beast` number, since 2 + 2 + 0 + 3 + 3 + 2 + 2 + 0 + 5 + 5 + 2 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22033220552595 and 22033220552604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31264842 + ... + 31961801.

It is an arithmetic number, because the mean of its divisors is an integer number (330559432606).

Almost surely, 2^{22033220552640} is an apocalyptic number.

22033220552640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22033220552640 is an abundant number, since it is smaller than the sum of its proper divisors (61267756464072).

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

22033220552640 is a wasteful number, since it uses less digits than its factorization.

22033220552640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63226688 (or 63226664 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 22033220552640 its reverse (4625502233022), we get a palindrome (26658722785662).

The spelling of 22033220552640 in words is "twenty-two trillion, thirty-three billion, two hundred twenty million, five hundred fifty-two thousand, six hundred forty".