104622421 has 4 divisors (see below), whose sum is σ = 107450092. Its totient is φ = 101794752.

The previous prime is 104622407. The next prime is 104622431. The reversal of 104622421 is 124226401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40462321 + 64160100 = 6361^2 + 8010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104622421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104622392 and 104622401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104622431) 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, 1413780 + ... + 1413853.

It is an arithmetic number, because the mean of its divisors is an integer number (26862523).

Almost surely, 2^104622421 is an apocalyptic number.

It is an amenable number.

104622421 is a deficient number, since it is larger than the sum of its proper divisors (2827671).

104622421 is an equidigital number, since it uses as much as digits as its factorization.

104622421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827670.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 104622421 is about 10228.5102043259. The cubic root of 104622421 is about 471.2032260846.

Adding to 104622421 its reverse (124226401), we get a palindrome (228848822).

The spelling of 104622421 in words is "one hundred four million, six hundred twenty-two thousand, four hundred twenty-one".