Search a number
-
+
222010013221 = 379585778399
BaseRepresentation
bin1100111011000011010…
…0111111011000100101
3210020001021000012112021
43032300310333120211
512114134030410341
6245553501023141
722016420655523
oct3166064773045
9706037005467
10222010013221
1186176956977
123703a854ab1
1317c21268a39
14aa6130b313
155b958ce9d1
hex33b0d3f625

222010013221 has 4 divisors (see below), whose sum is σ = 222595792000. Its totient is φ = 221424234444.

The previous prime is 222010013219. The next prime is 222010013249. The reversal of 222010013221 is 122310010222.

It is a happy number.

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: 122310010222 = 261155005111.

It is a cyclic number.

It is not a de Polignac number, because 222010013221 - 21 = 222010013219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222010013195 and 222010013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010013821) 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, 292888821 + ... + 292889578.

It is an arithmetic number, because the mean of its divisors is an integer number (55648948000).

Almost surely, 2222010013221 is an apocalyptic number.

It is an amenable number.

222010013221 is a deficient number, since it is larger than the sum of its proper divisors (585778779).

222010013221 is an equidigital number, since it uses as much as digits as its factorization.

222010013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585778778.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222010013221 its reverse (122310010222), we get a palindrome (344320023443).

The spelling of 222010013221 in words is "two hundred twenty-two billion, ten million, thirteen thousand, two hundred twenty-one".

Divisors: 1 379 585778399 222010013221