38221377 has 8 divisors (see below), whose sum is σ = 53177664. Its totient is φ = 24373008.

The previous prime is 38221373. The next prime is 38221397. The reversal of 38221377 is 77312283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38221377 - 2² = 38221373 is a prime.

It is a super-2 number, since 2×38221377² = 2921747319552258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38221373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276898 + ... + 277035.

It is an arithmetic number, because the mean of its divisors is an integer number (6647208).

Almost surely, 2^38221377 is an apocalyptic number.

It is an amenable number.

38221377 is a deficient number, since it is larger than the sum of its proper divisors (14956287).

38221377 is a wasteful number, since it uses less digits than its factorization.

38221377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553959.

The product of its digits is 14112, while the sum is 33.

The square root of 38221377 is about 6182.3439729604. The cubic root of 38221377 is about 336.8491401538.

The spelling of 38221377 in words is "thirty-eight million, two hundred twenty-one thousand, three hundred seventy-seven".