3722209164 has 18 divisors (see below), whose sum is σ = 9408917700. Its totient is φ = 1240736376.

The previous prime is 3722209103. The next prime is 3722209181. The reversal of 3722209164 is 4619022273.

3722209164 is a `hidden beast` number, since 372 + 220 + 9 + 1 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 103394699 = 3722209164 / (3 + 7 + 2 + 2 + 2 + 0 + 9 + 1 + 6 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51697314 + ... + 51697385.

It is an arithmetic number, because the mean of its divisors is an integer number (522717650).

Almost surely, 2^3722209164 is an apocalyptic number.

It is an amenable number.

3722209164 is an abundant number, since it is smaller than the sum of its proper divisors (5686708536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3722209164 is a wasteful number, since it uses less digits than its factorization.

3722209164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103394709 (or 103394704 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 3722209164 is about 61009.9103752825. The cubic root of 3722209164 is about 1549.7688401721.

The spelling of 3722209164 in words is "three billion, seven hundred twenty-two million, two hundred nine thousand, one hundred sixty-four".