Search a number
-
+
10222014421 = 19538000759
BaseRepresentation
bin10011000010100011…
…11000111111010101
3222101101112010122201
421201101320333111
5131413313430141
64410153124501
7511211455213
oct114121707725
928341463581
1010222014421
114376073803
121b933b9731
13c6b9b1a58
146cd835cb3
153ec615031
hex261478fd5

10222014421 has 4 divisors (see below), whose sum is σ = 10760015200. Its totient is φ = 9684013644.

The previous prime is 10222014403. The next prime is 10222014433. The reversal of 10222014421 is 12441022201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12441022201 = 27145907831.

It is a cyclic number.

It is not a de Polignac number, because 10222014421 - 221 = 10219917269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 538000759 = 10222014421 / (1 + 0 + 2 + 2 + 2 + 0 + 1 + 4 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222014461) 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, 269000361 + ... + 269000398.

It is an arithmetic number, because the mean of its divisors is an integer number (2690003800).

Almost surely, 210222014421 is an apocalyptic number.

It is an amenable number.

10222014421 is a deficient number, since it is larger than the sum of its proper divisors (538000779).

10222014421 is an equidigital number, since it uses as much as digits as its factorization.

10222014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538000778.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10222014421 its reverse (12441022201), we get a palindrome (22663036622).

The spelling of 10222014421 in words is "ten billion, two hundred twenty-two million, fourteen thousand, four hundred twenty-one".

Divisors: 1 19 538000759 10222014421