38224536 has 96 divisors (see below), whose sum is σ = 112669440. Its totient is φ = 10585152.

The previous prime is 38224513. The next prime is 38224541. The reversal of 38224536 is 63542283.

It is a happy number.

It is a super-2 number, since 2×38224536² = 2922230304830592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38224497 and 38224506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371061 + ... + 371163.

It is an arithmetic number, because the mean of its divisors is an integer number (1173640).

Almost surely, 2^38224536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38224536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56334720).

38224536 is an abundant number, since it is smaller than the sum of its proper divisors (74444904).

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

38224536 is a wasteful number, since it uses less digits than its factorization.

38224536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 162 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 38224536 is about 6182.5994533044. The cubic root of 38224536 is about 336.8584201014.

The spelling of 38224536 in words is "thirty-eight million, two hundred twenty-four thousand, five hundred thirty-six".