4220280131 has 4 divisors (see below), whose sum is σ = 4299908112. Its totient is φ = 4140652152.

The previous prime is 4220280083. The next prime is 4220280191. The reversal of 4220280131 is 1310820224.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4220280131 - 2⁶ = 4220280067 is a prime.

It is a super-2 number, since 2×4220280131² = 35621528768226754322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4220280097 and 4220280106.

It is not an unprimeable number, because it can be changed into a prime (4220280191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39813911 + ... + 39814016.

It is an arithmetic number, because the mean of its divisors is an integer number (1074977028).

Almost surely, 2^4220280131 is an apocalyptic number.

4220280131 is a deficient number, since it is larger than the sum of its proper divisors (79627981).

4220280131 is an equidigital number, since it uses as much as digits as its factorization.

4220280131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79627980.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4220280131 is about 64963.6831699066. The cubic root of 4220280131 is about 1616.0213460474.

The spelling of 4220280131 in words is "four billion, two hundred twenty million, two hundred eighty thousand, one hundred thirty-one".