4022120045 has 4 divisors (see below), whose sum is σ = 4826544060. Its totient is φ = 3217696032.

The previous prime is 4022119949. The next prime is 4022120059. The reversal of 4022120045 is 5400212204.

It is a happy number.

4022120045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1300828489 + 2721291556 = 36067^2 + 52166^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022120045 - 2²⁴ = 4005342829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4022119999 and 4022120026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402212000 + ... + 402212009.

It is an arithmetic number, because the mean of its divisors is an integer number (1206636015).

Almost surely, 2^4022120045 is an apocalyptic number.

It is an amenable number.

4022120045 is a deficient number, since it is larger than the sum of its proper divisors (804424015).

4022120045 is an equidigital number, since it uses as much as digits as its factorization.

4022120045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804424014.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4022120045 is about 63420.1864156831. The cubic root of 4022120045 is about 1590.3217898869.

Adding to 4022120045 its reverse (5400212204), we get a palindrome (9422332249).

The spelling of 4022120045 in words is "four billion, twenty-two million, one hundred twenty thousand, forty-five".