38223329 has 2 divisors, whose sum is σ = 38223330. Its totient is φ = 38223328.

The previous prime is 38223277. The next prime is 38223371. The reversal of 38223329 is 92332283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37945600 + 277729 = 6160^2 + 527^2 .

It is an emirp because it is prime and its reverse (92332283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38223329 - 2¹⁶ = 38157793 is a prime.

It is a super-2 number, since 2×38223329² = 2922045759684482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38223295 and 38223304.

It is not a weakly prime, because it can be changed into another prime (38223629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19111664 + 19111665.

It is an arithmetic number, because the mean of its divisors is an integer number (19111665).

Almost surely, 2^38223329 is an apocalyptic number.

It is an amenable number.

38223329 is a deficient number, since it is larger than the sum of its proper divisors (1).

38223329 is an equidigital number, since it uses as much as digits as its factorization.

38223329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 38223329 is about 6182.5018398703. The cubic root of 38223329 is about 336.8548744521.

The spelling of 38223329 in words is "thirty-eight million, two hundred twenty-three thousand, three hundred twenty-nine".