38223247 has 8 divisors (see below), whose sum is σ = 39677040. Its totient is φ = 36778560.

The previous prime is 38223233. The next prime is 38223253. The reversal of 38223247 is 74232283.

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

It is a cyclic number.

It is not a de Polignac number, because 38223247 - 2¹⁹ = 37698959 is a prime.

It is a super-2 number, since 2×38223247² = 2922033222446018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38223277) 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, 6972 + ... + 11182.

It is an arithmetic number, because the mean of its divisors is an integer number (4959630).

Almost surely, 2^38223247 is an apocalyptic number.

38223247 is a deficient number, since it is larger than the sum of its proper divisors (1453793).

38223247 is a wasteful number, since it uses less digits than its factorization.

38223247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553.

The product of its digits is 16128, while the sum is 31.

The square root of 38223247 is about 6182.4952082472. The cubic root of 38223247 is about 336.8546335685.

The spelling of 38223247 in words is "thirty-eight million, two hundred twenty-three thousand, two hundred forty-seven".