2172345622 has 4 divisors (see below), whose sum is σ = 3258518436. Its totient is φ = 1086172810.

The previous prime is 2172345619. The next prime is 2172345691. The reversal of 2172345622 is 2265432712.

2172345622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543086404 + ... + 543086407.

It is an arithmetic number, because the mean of its divisors is an integer number (814629609).

Almost surely, 2^2172345622 is an apocalyptic number.

2172345622 is a deficient number, since it is larger than the sum of its proper divisors (1086172814).

2172345622 is a wasteful number, since it uses less digits than its factorization.

2172345622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086172813.

The product of its digits is 40320, while the sum is 34.

The square root of 2172345622 is about 46608.4286583446. The cubic root of 2172345622 is about 1295.1188994550.

The spelling of 2172345622 in words is "two billion, one hundred seventy-two million, three hundred forty-five thousand, six hundred twenty-two".