38422747 has 16 divisors (see below), whose sum is σ = 43263360. Its totient is φ = 33825600.

The previous prime is 38422717. The next prime is 38422751. The reversal of 38422747 is 74722483.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38422747 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (38422717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46972 + ... + 47782.

It is an arithmetic number, because the mean of its divisors is an integer number (2703960).

Almost surely, 2^38422747 is an apocalyptic number.

38422747 is a deficient number, since it is larger than the sum of its proper divisors (4840613).

38422747 is a wasteful number, since it uses less digits than its factorization.

38422747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954.

The product of its digits is 75264, while the sum is 37.

The square root of 38422747 is about 6198.6084728752. The cubic root of 38422747 is about 337.4396695088.

The spelling of 38422747 in words is "thirty-eight million, four hundred twenty-two thousand, seven hundred forty-seven".