6223381 has 4 divisors (see below), whose sum is σ = 6272512. Its totient is φ = 6174252.

The previous prime is 6223351. The next prime is 6223387. The reversal of 6223381 is 1833226.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1833226 = 2 ⋅916613.

It is a cyclic number.

It is not a de Polignac number, because 6223381 - 2⁷ = 6223253 is a prime.

It is a super-3 number, since 3×6223381³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

6223381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6223387) 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, 24375 + ... + 24628.

It is an arithmetic number, because the mean of its divisors is an integer number (1568128).

Almost surely, 2^6223381 is an apocalyptic number.

It is an amenable number.

6223381 is a deficient number, since it is larger than the sum of its proper divisors (49131).

6223381 is a wasteful number, since it uses less digits than its factorization.

6223381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49130.

The product of its digits is 1728, while the sum is 25.

The square root of 6223381 is about 2494.6705193272. The cubic root of 6223381 is about 183.9396955025.

The spelling of 6223381 in words is "six million, two hundred twenty-three thousand, three hundred eighty-one".