2220000164450 has 48 divisors (see below), whose sum is σ = 4191676983360. Its totient is φ = 874590024000.

The previous prime is 2220000164449. The next prime is 2220000164453. The reversal of 2220000164450 is 544610000222.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2220000164453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3125036 + ... + 3769064.

It is an arithmetic number, because the mean of its divisors is an integer number (87326603820).

Almost surely, 2^{2220000164450} is an apocalyptic number.

2220000164450 is a deficient number, since it is larger than the sum of its proper divisors (1971676818910).

2220000164450 is a wasteful number, since it uses less digits than its factorization.

2220000164450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645083 (or 645078 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 2220000164450 its reverse (544610000222), we get a palindrome (2764610164672).

The spelling of 2220000164450 in words is "two trillion, two hundred twenty billion, one hundred sixty-four thousand, four hundred fifty".