38647422 has 32 divisors (see below), whose sum is σ = 93692160. Its totient is φ = 11711160.

The previous prime is 38647397. The next prime is 38647439. The reversal of 38647422 is 22474683.

38647422 is a `hidden beast` number, since 3 + 8 + 647 + 4 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31938 + ... + 33125.

It is an arithmetic number, because the mean of its divisors is an integer number (2927880).

Almost surely, 2^38647422 is an apocalyptic number.

38647422 is an abundant number, since it is smaller than the sum of its proper divisors (55044738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38647422 is a wasteful number, since it uses less digits than its factorization.

38647422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65085 (or 65079 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 38647422 is about 6216.7050758420. The cubic root of 38647422 is about 338.0961119250.

The spelling of 38647422 in words is "thirty-eight million, six hundred forty-seven thousand, four hundred twenty-two".