2172276406 has 4 divisors (see below), whose sum is σ = 3258414612. Its totient is φ = 1086138202.

The previous prime is 2172276397. The next prime is 2172276481. The reversal of 2172276406 is 6046722712.

2172276406 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, 543069100 + ... + 543069103.

It is an arithmetic number, because the mean of its divisors is an integer number (814603653).

Almost surely, 2^2172276406 is an apocalyptic number.

2172276406 is a deficient number, since it is larger than the sum of its proper divisors (1086138206).

2172276406 is a wasteful number, since it uses less digits than its factorization.

2172276406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086138205.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 2172276406 is about 46607.6861257883. The cubic root of 2172276406 is about 1295.1051441390.

The spelling of 2172276406 in words is "two billion, one hundred seventy-two million, two hundred seventy-six thousand, four hundred six".