38747822 has 4 divisors (see below), whose sum is σ = 58121736. Its totient is φ = 19373910.

The previous prime is 38747771. The next prime is 38747833. The reversal of 38747822 is 22874783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22874783 = 101 ⋅226483.

It is a self number, because there is not a number n which added to its sum of digits gives 38747822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9686954 + ... + 9686957.

It is an arithmetic number, because the mean of its divisors is an integer number (14530434).

Almost surely, 2^38747822 is an apocalyptic number.

38747822 is a deficient number, since it is larger than the sum of its proper divisors (19373914).

38747822 is a wasteful number, since it uses less digits than its factorization.

38747822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19373913.

The product of its digits is 150528, while the sum is 41.

The square root of 38747822 is about 6224.7748553663. The cubic root of 38747822 is about 338.3886324930.

The spelling of 38747822 in words is "thirty-eight million, seven hundred forty-seven thousand, eight hundred twenty-two".