4222187604 has 36 divisors (see below), whose sum is σ = 11040780660. Its totient is φ = 1358864640.

The previous prime is 4222187603. The next prime is 4222187611. The reversal of 4222187604 is 4067812224.

4222187604 is a `hidden beast` number, since 4 + 22 + 21 + 8 + 7 + 604 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 846810000 + 3375377604 = 29100^2 + 58098^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222187603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2021077 + ... + 2023164.

Almost surely, 2^4222187604 is an apocalyptic number.

It is an amenable number.

4222187604 is an abundant number, since it is smaller than the sum of its proper divisors (6818593056).

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

4222187604 is a wasteful number, since it uses less digits than its factorization.

4222187604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044280 (or 4044275 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 4222187604 is about 64978.3625832477. The cubic root of 4222187604 is about 1616.2647779758.

Adding to 4222187604 its reverse (4067812224), we get a palindrome (8289999828).

The spelling of 4222187604 in words is "four billion, two hundred twenty-two million, one hundred eighty-seven thousand, six hundred four".