10223421 has 8 divisors (see below), whose sum is σ = 14679840. Its totient is φ = 6291312.

The previous prime is 10223413. The next prime is 10223441. The reversal of 10223421 is 12432201.

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

It is not a de Polignac number, because 10223421 - 2³ = 10223413 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10223421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223401) 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, 131031 + ... + 131108.

It is an arithmetic number, because the mean of its divisors is an integer number (1834980).

Almost surely, 2^10223421 is an apocalyptic number.

It is an amenable number.

10223421 is a deficient number, since it is larger than the sum of its proper divisors (4456419).

10223421 is a wasteful number, since it uses less digits than its factorization.

10223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262155.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10223421 is about 3197.4084818803. The cubic root of 10223421 is about 217.0361524567.

Adding to 10223421 its reverse (12432201), we get a palindrome (22655622).

The spelling of 10223421 in words is "ten million, two hundred twenty-three thousand, four hundred twenty-one".