38223277 has 2 divisors, whose sum is σ = 38223278. Its totient is φ = 38223276.

The previous prime is 38223253. The next prime is 38223329. The reversal of 38223277 is 77232283.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28526281 + 9696996 = 5341^2 + 3114^2 .

It is a cyclic number.

It is not a de Polignac number, because 38223277 - 2¹¹ = 38221229 is a prime.

It is a super-2 number, since 2×38223277² = 2922037809237458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38220277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19111638 + 19111639.

It is an arithmetic number, because the mean of its divisors is an integer number (19111639).

Almost surely, 2^38223277 is an apocalyptic number.

It is an amenable number.

38223277 is a deficient number, since it is larger than the sum of its proper divisors (1).

38223277 is an equidigital number, since it uses as much as digits as its factorization.

38223277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 38223277 is about 6182.4976344516. The cubic root of 38223277 is about 336.8547216967.

The spelling of 38223277 in words is "thirty-eight million, two hundred twenty-three thousand, two hundred seventy-seven".