10022240421 has 6 divisors (see below), whose sum is σ = 14476569510. Its totient is φ = 6681493608.

The previous prime is 10022240399. The next prime is 10022240429. The reversal of 10022240421 is 12404222001.

10022240421 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 2 + 240 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9830722500 + 191517921 = 99150^2 + 13839^2 .

It is not a de Polignac number, because 10022240421 - 2¹⁸ = 10021978277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10022240394 and 10022240403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022240429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556791126 + ... + 556791143.

It is an arithmetic number, because the mean of its divisors is an integer number (2412761585).

Almost surely, 2^10022240421 is an apocalyptic number.

It is an amenable number.

10022240421 is a deficient number, since it is larger than the sum of its proper divisors (4454329089).

10022240421 is a wasteful number, since it uses less digits than its factorization.

10022240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113582275 (or 1113582272 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10022240421 its reverse (12404222001), we get a palindrome (22426462422).

The spelling of 10022240421 in words is "ten billion, twenty-two million, two hundred forty thousand, four hundred twenty-one".