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22202332021 = 4719722310753
BaseRepresentation
bin10100101011010111…
…001011001101110101
32010022022121022211101
4110223113023031311
5330432244111041
614111041010101
71414123464652
oct245327131565
963268538741
1022202332021
119463701731
124377623931
13212aa4488c
1411089acc29
1589e298b31
hex52b5cb375

22202332021 has 16 divisors (see below), whose sum is σ = 22894147584. Its totient is φ = 21520687104.

The previous prime is 22202332007. The next prime is 22202332039. The reversal of 22202332021 is 12023320222.

It is a cyclic number.

It is not a de Polignac number, because 22202332021 - 217 = 22202200949 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 22202332021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202332051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2059381 + ... + 2070133.

It is an arithmetic number, because the mean of its divisors is an integer number (1430884224).

Almost surely, 222202332021 is an apocalyptic number.

It is an amenable number.

22202332021 is a deficient number, since it is larger than the sum of its proper divisors (691815563).

22202332021 is a wasteful number, since it uses less digits than its factorization.

22202332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22202332021 its reverse (12023320222), we get a palindrome (34225652243).

The spelling of 22202332021 in words is "twenty-two billion, two hundred two million, three hundred thirty-two thousand, twenty-one".

Divisors: 1 47 197 223 9259 10481 10753 43931 505391 2064757 2118341 2397919 99562027 112702193 472390043 22202332021