3722162217 has 4 divisors (see below), whose sum is σ = 4962882960. Its totient is φ = 2481441476.

The previous prime is 3722162201. The next prime is 3722162237. The reversal of 3722162217 is 7122612273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3722162217 - 2⁴ = 3722162201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3722162237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620360367 + ... + 620360372.

It is an arithmetic number, because the mean of its divisors is an integer number (1240720740).

Almost surely, 2^3722162217 is an apocalyptic number.

It is an amenable number.

3722162217 is a deficient number, since it is larger than the sum of its proper divisors (1240720743).

3722162217 is a wasteful number, since it uses less digits than its factorization.

3722162217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240720742.

The product of its digits is 14112, while the sum is 33.

The square root of 3722162217 is about 61009.5256251022. The cubic root of 3722162217 is about 1549.7623245698.

The spelling of 3722162217 in words is "three billion, seven hundred twenty-two million, one hundred sixty-two thousand, two hundred seventeen".