4220242541 has 4 divisors (see below), whose sum is σ = 4221108192. Its totient is φ = 4219376892.

The previous prime is 4220242531. The next prime is 4220242573. The reversal of 4220242541 is 1452420224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4220242541 - 2²² = 4216048237 is a prime.

It is a super-2 number, since 2×4220242541² = 35620894209732273362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4220242541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220242511) 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, 425471 + ... + 435276.

It is an arithmetic number, because the mean of its divisors is an integer number (1055277048).

Almost surely, 2^4220242541 is an apocalyptic number.

It is an amenable number.

4220242541 is a deficient number, since it is larger than the sum of its proper divisors (865651).

4220242541 is an equidigital number, since it uses as much as digits as its factorization.

4220242541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865650.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 4220242541 is about 64963.3938537697. The cubic root of 4220242541 is about 1616.0165480703.

Adding to 4220242541 its reverse (1452420224), we get a palindrome (5672662765).

The spelling of 4220242541 in words is "four billion, two hundred twenty million, two hundred forty-two thousand, five hundred forty-one".