422103421 has 8 divisors (see below), whose sum is σ = 447112440. Its totient is φ = 397114368.

The previous prime is 422103419. The next prime is 422103431. The reversal of 422103421 is 124301224.

It can be written as a sum of positive squares in 4 ways, for example, as 183060900 + 239042521 = 13530^2 + 15461^2 .

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 422103421 - 2¹ = 422103419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422103431) 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, 81765 + ... + 86773.

It is an arithmetic number, because the mean of its divisors is an integer number (55889055).

Almost surely, 2^422103421 is an apocalyptic number.

It is an amenable number.

422103421 is a deficient number, since it is larger than the sum of its proper divisors (25009019).

422103421 is a wasteful number, since it uses less digits than its factorization.

422103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 422103421 is about 20545.1556577214. The cubic root of 422103421 is about 750.1353361700.

Adding to 422103421 its reverse (124301224), we get a palindrome (546404645).

The spelling of 422103421 in words is "four hundred twenty-two million, one hundred three thousand, four hundred twenty-one".