38442225 has 48 divisors (see below), whose sum is σ = 68299200. Its totient is φ = 19019520.

The previous prime is 38442221. The next prime is 38442227. The reversal of 38442225 is 52224483.

It is not a de Polignac number, because 38442225 - 2² = 38442221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38442192 and 38442201.

It is not an unprimeable number, because it can be changed into a prime (38442221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75271 + ... + 75779.

It is an arithmetic number, because the mean of its divisors is an integer number (1422900).

Almost surely, 2^38442225 is an apocalyptic number.

It is an amenable number.

38442225 is a deficient number, since it is larger than the sum of its proper divisors (29856975).

38442225 is a wasteful number, since it uses less digits than its factorization.

38442225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 589 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 38442225 is about 6200.1794328874. The cubic root of 38442225 is about 337.4966803514.

The spelling of 38442225 in words is "thirty-eight million, four hundred forty-two thousand, two hundred twenty-five".