38225533 has 2 divisors, whose sum is σ = 38225534. Its totient is φ = 38225532.

The previous prime is 38225531. The next prime is 38225557. The reversal of 38225533 is 33552283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22686169 + 15539364 = 4763^2 + 3942^2 .

It is an emirp because it is prime and its reverse (33552283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38225533 - 2¹ = 38225531 is a prime.

It is a super-2 number, since 2×38225533² = 2922382746268178, which contains 22 as substring.

Together with 38225531, it forms a pair of twin primes.

It is equal to p_2331967 and since 38225533 and 2331967 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 38225495 and 38225504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38225531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19112766 + 19112767.

It is an arithmetic number, because the mean of its divisors is an integer number (19112767).

Almost surely, 2^38225533 is an apocalyptic number.

It is an amenable number.

38225533 is a deficient number, since it is larger than the sum of its proper divisors (1).

38225533 is an equidigital number, since it uses as much as digits as its factorization.

38225533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 38225533 is about 6182.6800822944. The cubic root of 38225533 is about 336.8613488042.

The spelling of 38225533 in words is "thirty-eight million, two hundred twenty-five thousand, five hundred thirty-three".