38223443 has 2 divisors, whose sum is σ = 38223444. Its totient is φ = 38223442.

The previous prime is 38223391. The next prime is 38223467. The reversal of 38223443 is 34432283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38223443 - 2⁸ = 38223187 is a prime.

It is a super-2 number, since 2×38223443² = 2922063189548498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38223743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19111721 + 19111722.

It is an arithmetic number, because the mean of its divisors is an integer number (19111722).

Almost surely, 2^38223443 is an apocalyptic number.

38223443 is a deficient number, since it is larger than the sum of its proper divisors (1).

38223443 is an equidigital number, since it uses as much as digits as its factorization.

38223443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 38223443 is about 6182.5110594321. The cubic root of 38223443 is about 336.8552093385.

The spelling of 38223443 in words is "thirty-eight million, two hundred twenty-three thousand, four hundred forty-three".