38220767 has 4 divisors (see below), whose sum is σ = 41160840. Its totient is φ = 35280696.

The previous prime is 38220757. The next prime is 38220769. The reversal of 38220767 is 76702283.

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 38220767 - 2¹⁰ = 38219743 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 (38220769) 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, 1470017 + ... + 1470042.

It is an arithmetic number, because the mean of its divisors is an integer number (10290210).

Almost surely, 2^38220767 is an apocalyptic number.

38220767 is a deficient number, since it is larger than the sum of its proper divisors (2940073).

38220767 is a wasteful number, since it uses less digits than its factorization.

38220767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940072.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 38220767 is about 6182.2946387244. The cubic root of 38220767 is about 336.8473481456.

The spelling of 38220767 in words is "thirty-eight million, two hundred twenty thousand, seven hundred sixty-seven".