4220297838 has 24 divisors (see below), whose sum is σ = 9681860448. Its totient is φ = 1324014912.

The previous prime is 4220297831. The next prime is 4220297863. The reversal of 4220297838 is 8387920224.

It is a super-3 number, since 3×4220297838³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4220297793 and 4220297802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220297831) 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, 6895606 + ... + 6896217.

It is an arithmetic number, because the mean of its divisors is an integer number (403410852).

Almost surely, 2^4220297838 is an apocalyptic number.

4220297838 is an abundant number, since it is smaller than the sum of its proper divisors (5461562610).

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

4220297838 is a wasteful number, since it uses less digits than its factorization.

4220297838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13791848 (or 13791845 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 4220297838 is about 64963.8194536005. The cubic root of 4220297838 is about 1616.0236061541.

The spelling of 4220297838 in words is "four billion, two hundred twenty million, two hundred ninety-seven thousand, eight hundred thirty-eight".