38222779 has 8 divisors (see below), whose sum is σ = 44299008. Its totient is φ = 32300520.

The previous prime is 38222777. The next prime is 38222801. The reversal of 38222779 is 97722283.

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

It is not a de Polignac number, because 38222779 - 2¹ = 38222777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38222777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37957 + ... + 38950.

It is an arithmetic number, because the mean of its divisors is an integer number (5537376).

Almost surely, 2^38222779 is an apocalyptic number.

38222779 is a deficient number, since it is larger than the sum of its proper divisors (6076229).

38222779 is an equidigital number, since it uses as much as digits as its factorization.

38222779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76985.

The product of its digits is 84672, while the sum is 40.

The square root of 38222779 is about 6182.4573593354. The cubic root of 38222779 is about 336.8532587628.

The spelling of 38222779 in words is "thirty-eight million, two hundred twenty-two thousand, seven hundred seventy-nine".