3641287122 has 90 divisors (see below), whose sum is σ = 8989211847. Its totient is φ = 1100860200.

The previous prime is 3641287109. The next prime is 3641287141. The reversal of 3641287122 is 2217821463.

It is a happy number.

3641287122 is a `hidden beast` number, since 3 + 641 + 2 + 8 + 7 + 1 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1820643561 + 1820643561 = 42669^2 + 42669^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=42669.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8448247 + ... + 8448677.

Almost surely, 2^3641287122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3641287122

3641287122 is an abundant number, since it is smaller than the sum of its proper divisors (5347924725).

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

3641287122 is an equidigital number, since it uses as much as digits as its factorization.

3641287122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 447 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 3641287122 is about 60343.0784928976. The cubic root of 3641287122 is about 1538.4556286333.

The spelling of 3641287122 in words is "three billion, six hundred forty-one million, two hundred eighty-seven thousand, one hundred twenty-two".