4022161044 has 48 divisors (see below), whose sum is σ = 10277245440. Its totient is φ = 1214191840.

The previous prime is 4022161027. The next prime is 4022161141. The reversal of 4022161044 is 4401612204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23214 + ... + 92645.

It is an arithmetic number, because the mean of its divisors is an integer number (214109280).

Almost surely, 2^4022161044 is an apocalyptic number.

4022161044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4022161044 is an abundant number, since it is smaller than the sum of its proper divisors (6255084396).

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

4022161044 is a wasteful number, since it uses less digits than its factorization.

4022161044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116140 (or 116138 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4022161044 is about 63420.5096479049. The cubic root of 4022161044 is about 1590.3271934536.

Adding to 4022161044 its reverse (4401612204), we get a palindrome (8423773248).

The spelling of 4022161044 in words is "four billion, twenty-two million, one hundred sixty-one thousand, forty-four".