3722187219570 has 128 divisors (see below), whose sum is σ = 10246994657280. Its totient is φ = 960473142720.

The previous prime is 3722187219563. The next prime is 3722187219587. The reversal of 3722187219570 is 759127812273.

3722187219570 is a `hidden beast` number, since 37 + 2 + 2 + 18 + 7 + 21 + 9 + 570 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165103719 + ... + 165126261.

It is an arithmetic number, because the mean of its divisors is an integer number (80054645760).

Almost surely, 2^{3722187219570} is an apocalyptic number.

3722187219570 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3722187219570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5123497328640).

3722187219570 is an abundant number, since it is smaller than the sum of its proper divisors (6524807437710).

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

3722187219570 is a wasteful number, since it uses less digits than its factorization.

3722187219570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42317 (or 42311 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 3722187219570 in words is "three trillion, seven hundred twenty-two billion, one hundred eighty-seven million, two hundred nineteen thousand, five hundred seventy".