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22210102021 = 1371031157243
BaseRepresentation
bin10100101011110100…
…110100001100000101
32010022212020002021011
4110223310310030011
5330441241231041
614111515322221
71414246516012
oct245364641405
963285202234
1022210102021
119468029418
12437a150371
13212c535403
141109a32709
1589ecd0e81
hex52bd34305

22210102021 has 8 divisors (see below), whose sum is σ = 22394061504. Its totient is φ = 22026459360.

The previous prime is 22210102001. The next prime is 22210102049. The reversal of 22210102021 is 12020101222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22210102021 - 25 = 22210101989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22210101992 and 22210102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210102001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62626 + ... + 219868.

It is an arithmetic number, because the mean of its divisors is an integer number (2799257688).

Almost surely, 222210102021 is an apocalyptic number.

It is an amenable number.

22210102021 is a deficient number, since it is larger than the sum of its proper divisors (183959483).

22210102021 is a wasteful number, since it uses less digits than its factorization.

22210102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158411.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22210102021 its reverse (12020101222), we get a palindrome (34230203243).

The spelling of 22210102021 in words is "twenty-two billion, two hundred ten million, one hundred two thousand, twenty-one".

Divisors: 1 137 1031 141247 157243 21542291 162117533 22210102021