4022161965 has 24 divisors (see below), whose sum is σ = 7338683040. Its totient is φ = 2032249824.

The previous prime is 4022161933. The next prime is 4022161973. The reversal of 4022161965 is 5691612204.

4022161965 is a `hidden beast` number, since 402 + 2 + 161 + 96 + 5 = 666.

It is not a de Polignac number, because 4022161965 - 2⁵ = 4022161933 is a prime.

It is a super-2 number, since 2×4022161965² = 32355573745385322450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2351287 + ... + 2352996.

It is an arithmetic number, because the mean of its divisors is an integer number (305778460).

Almost surely, 2^4022161965 is an apocalyptic number.

4022161965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4022161965 is a deficient number, since it is larger than the sum of its proper divisors (3316521075).

4022161965 is a wasteful number, since it uses less digits than its factorization.

4022161965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704313 (or 4704310 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 4022161965 is about 63420.5169089625. The cubic root of 4022161965 is about 1590.3273148387.

The spelling of 4022161965 in words is "four billion, twenty-two million, one hundred sixty-one thousand, nine hundred sixty-five".