38224945 has 8 divisors (see below), whose sum is σ = 50040000. Its totient is φ = 27799920.

The previous prime is 38224937. The next prime is 38224957. The reversal of 38224945 is 54942283.

It is a happy number.

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

It is not a de Polignac number, because 38224945 - 2³ = 38224937 is a prime.

It is a super-2 number, since 2×38224945² = 2922292840506050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347445 + ... + 347554.

It is an arithmetic number, because the mean of its divisors is an integer number (6255000).

Almost surely, 2^38224945 is an apocalyptic number.

It is an amenable number.

38224945 is a deficient number, since it is larger than the sum of its proper divisors (11815055).

38224945 is a wasteful number, since it uses less digits than its factorization.

38224945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695015.

The product of its digits is 69120, while the sum is 37.

The square root of 38224945 is about 6182.6325299180. The cubic root of 38224945 is about 336.8596215513.

The spelling of 38224945 in words is "thirty-eight million, two hundred twenty-four thousand, nine hundred forty-five".