38220541 has 4 divisors (see below), whose sum is σ = 39033792. Its totient is φ = 37407292.

The previous prime is 38220529. The next prime is 38220547. The reversal of 38220541 is 14502283.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14502283 = 89 ⋅162947.

It is a cyclic number.

It is not a de Polignac number, because 38220541 - 2⁵ = 38220509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38220547) 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, 406555 + ... + 406648.

It is an arithmetic number, because the mean of its divisors is an integer number (9758448).

Almost surely, 2^38220541 is an apocalyptic number.

It is an amenable number.

38220541 is a deficient number, since it is larger than the sum of its proper divisors (813251).

38220541 is an equidigital number, since it uses as much as digits as its factorization.

38220541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813250.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 38220541 is about 6182.2763606943. The cubic root of 38220541 is about 336.8466842164.

The spelling of 38220541 in words is "thirty-eight million, two hundred twenty thousand, five hundred forty-one".