2172020914 has 8 divisors (see below), whose sum is σ = 3723464448. Its totient is φ = 930866100.

The previous prime is 2172020897. The next prime is 2172020947. The reversal of 2172020914 is 4190202712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77572162 + ... + 77572189.

It is an arithmetic number, because the mean of its divisors is an integer number (465433056).

Almost surely, 2^2172020914 is an apocalyptic number.

2172020914 is a deficient number, since it is larger than the sum of its proper divisors (1551443534).

2172020914 is a wasteful number, since it uses less digits than its factorization.

2172020914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155144360.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2172020914 is about 46604.9451667953. The cubic root of 2172020914 is about 1295.0543676086.

The spelling of 2172020914 in words is "two billion, one hundred seventy-two million, twenty thousand, nine hundred fourteen".