38223501 has 4 divisors (see below), whose sum is σ = 50964672. Its totient is φ = 25482332.

The previous prime is 38223499. The next prime is 38223511. The reversal of 38223501 is 10532283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38223501 - 2¹ = 38223499 is a prime.

It is a super-2 number, since 2×38223501² = 2922072057394002, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38223511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6370581 + ... + 6370586.

It is an arithmetic number, because the mean of its divisors is an integer number (12741168).

Almost surely, 2^38223501 is an apocalyptic number.

It is an amenable number.

38223501 is a deficient number, since it is larger than the sum of its proper divisors (12741171).

38223501 is a wasteful number, since it uses less digits than its factorization.

38223501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12741170.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 38223501 is about 6182.5157500810. The cubic root of 38223501 is about 336.8553797190.

Adding to 38223501 its reverse (10532283), we get a palindrome (48755784).

The spelling of 38223501 in words is "thirty-eight million, two hundred twenty-three thousand, five hundred one".