3972022211 has 4 divisors (see below), whose sum is σ = 3972657312. Its totient is φ = 3971387112.

The previous prime is 3972022189. The next prime is 3972022291. The reversal of 3972022211 is 1122202793.

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

It is a cyclic number.

It is not a de Polignac number, because 3972022211 - 2⁶ = 3972022147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3972022291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308075 + ... + 320708.

It is an arithmetic number, because the mean of its divisors is an integer number (993164328).

Almost surely, 2^3972022211 is an apocalyptic number.

3972022211 is a deficient number, since it is larger than the sum of its proper divisors (635101).

3972022211 is an equidigital number, since it uses as much as digits as its factorization.

3972022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635100.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3972022211 is about 63023.9812373036. The cubic root of 3972022211 is about 1583.6913918294.

The spelling of 3972022211 in words is "three billion, nine hundred seventy-two million, twenty-two thousand, two hundred eleven".