2172220553390 has 32 divisors (see below), whose sum is σ = 3955182372000. Its totient is φ = 858853214208.

The previous prime is 2172220553383. The next prime is 2172220553413. The reversal of 2172220553390 is 933550222712.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2435321 + ... + 3205499.

It is an arithmetic number, because the mean of its divisors is an integer number (123599449125).

Almost surely, 2^{2172220553390} is an apocalyptic number.

2172220553390 is a deficient number, since it is larger than the sum of its proper divisors (1782961818610).

2172220553390 is a wasteful number, since it uses less digits than its factorization.

2172220553390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773444.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 2172220553390 in words is "two trillion, one hundred seventy-two billion, two hundred twenty million, five hundred fifty-three thousand, three hundred ninety".