22410100421 has 4 divisors (see below), whose sum is σ = 22717088172. Its totient is φ = 22103112672.

The previous prime is 22410100397. The next prime is 22410100429. The reversal of 22410100421 is 12400101422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12400101422 = 2 ⋅6200050711.

It can be written as a sum of positive squares in 2 ways, for example, as 4026537025 + 18383563396 = 63455^2 + 135586^2 .

It is a cyclic number.

It is not a de Polignac number, because 22410100421 - 2⁶ = 22410100357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22410100421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22410100429) 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, 153493766 + ... + 153493911.

It is an arithmetic number, because the mean of its divisors is an integer number (5679272043).

Almost surely, 2^22410100421 is an apocalyptic number.

It is an amenable number.

22410100421 is a deficient number, since it is larger than the sum of its proper divisors (306987751).

22410100421 is an equidigital number, since it uses as much as digits as its factorization.

22410100421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306987750.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22410100421 its reverse (12400101422), we get a palindrome (34810201843).

The spelling of 22410100421 in words is "twenty-two billion, four hundred ten million, one hundred thousand, four hundred twenty-one".