38221733 has 8 divisors (see below), whose sum is σ = 42110496. Its totient is φ = 34402000.

The previous prime is 38221723. The next prime is 38221741. The reversal of 38221733 is 33712283.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38221733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38221696 and 38221705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38221723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16091 + ... + 18312.

It is an arithmetic number, because the mean of its divisors is an integer number (5263812).

Almost surely, 2^38221733 is an apocalyptic number.

It is an amenable number.

38221733 is a deficient number, since it is larger than the sum of its proper divisors (3888763).

38221733 is a wasteful number, since it uses less digits than its factorization.

38221733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34515.

The product of its digits is 6048, while the sum is 29.

The square root of 38221733 is about 6182.3727645622. The cubic root of 38221733 is about 336.8501859728.

It can be divided in two parts, 3822 and 1733, that added together give a palindrome (5555).

The spelling of 38221733 in words is "thirty-eight million, two hundred twenty-one thousand, seven hundred thirty-three".