38224442 has 16 divisors (see below), whose sum is σ = 58966272. Its totient is φ = 18574800.

The previous prime is 38224429. The next prime is 38224471. The reversal of 38224442 is 24442283.

It is a happy number.

It is a super-2 number, since 2×38224442² = 2922215932422728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12848 + ... + 15540.

It is an arithmetic number, because the mean of its divisors is an integer number (3685392).

Almost surely, 2^38224442 is an apocalyptic number.

38224442 is a deficient number, since it is larger than the sum of its proper divisors (20741830).

38224442 is a wasteful number, since it uses less digits than its factorization.

38224442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893.

The product of its digits is 12288, while the sum is 29.

The square root of 38224442 is about 6182.5918513193. The cubic root of 38224442 is about 336.8581439723.

The spelling of 38224442 in words is "thirty-eight million, two hundred twenty-four thousand, four hundred forty-two".