4022620541 has 4 divisors (see below), whose sum is σ = 4023193500. Its totient is φ = 4022047584.

The previous prime is 4022620519. The next prime is 4022620561. The reversal of 4022620541 is 1450262204.

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 1001469316 + 3021151225 = 31646^2 + 54965^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022620541 - 2¹⁸ = 4022358397 is a prime.

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 4022620541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022620561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275816 + ... + 290033.

It is an arithmetic number, because the mean of its divisors is an integer number (1005798375).

Almost surely, 2^4022620541 is an apocalyptic number.

It is an amenable number.

4022620541 is a deficient number, since it is larger than the sum of its proper divisors (572959).

4022620541 is an equidigital number, since it uses as much as digits as its factorization.

4022620541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572958.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4022620541 is about 63424.1321659193. The cubic root of 4022620541 is about 1590.3877515086.

Adding to 4022620541 its reverse (1450262204), we get a palindrome (5472882745).

The spelling of 4022620541 in words is "four billion, twenty-two million, six hundred twenty thousand, five hundred forty-one".