3721147222 has 16 divisors (see below), whose sum is σ = 6018369840. Its totient is φ = 1715370912.

The previous prime is 3721147219. The next prime is 3721147223. The reversal of 3721147222 is 2227411273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721147223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64768 + ... + 107875.

It is an arithmetic number, because the mean of its divisors is an integer number (376148115).

Almost surely, 2^3721147222 is an apocalyptic number.

3721147222 is a deficient number, since it is larger than the sum of its proper divisors (2297222618).

3721147222 is a wasteful number, since it uses less digits than its factorization.

3721147222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173487.

The product of its digits is 9408, while the sum is 31.

The square root of 3721147222 is about 61001.2067257690. The cubic root of 3721147222 is about 1549.6214437304.

Adding to 3721147222 its reverse (2227411273), we get a palindrome (5948558495).

The spelling of 3721147222 in words is "three billion, seven hundred twenty-one million, one hundred forty-seven thousand, two hundred twenty-two".