38611822 has 4 divisors (see below), whose sum is σ = 57917736. Its totient is φ = 19305910.

The previous prime is 38611813. The next prime is 38611829. The reversal of 38611822 is 22811683.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38611829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9652954 + ... + 9652957.

It is an arithmetic number, because the mean of its divisors is an integer number (14479434).

Almost surely, 2^38611822 is an apocalyptic number.

38611822 is a deficient number, since it is larger than the sum of its proper divisors (19305914).

38611822 is a wasteful number, since it uses less digits than its factorization.

38611822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19305913.

The product of its digits is 4608, while the sum is 31.

The square root of 38611822 is about 6213.8411630810. The cubic root of 38611822 is about 337.9922678343.

The spelling of 38611822 in words is "thirty-eight million, six hundred eleven thousand, eight hundred twenty-two".