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22241244631 = 22997123339
BaseRepresentation
bin10100101101101011…
…100111010111010111
32010102000211021220011
4110231223213113113
5331022224312011
614114551021051
71415105313544
oct245553472727
963360737804
1022241244631
11948366a311
12438866a787
132135b1a4a8
14110dc1bbcb
158a28d3621
hex52dae75d7

22241244631 has 4 divisors (see below), whose sum is σ = 22338368200. Its totient is φ = 22144121064.

The previous prime is 22241244617. The next prime is 22241244671. The reversal of 22241244631 is 13644214222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22241244631 - 213 = 22241236439 is a prime.

It is a super-2 number, since 2×222412446312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22241244593 and 22241244602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241244671) 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, 48561441 + ... + 48561898.

It is an arithmetic number, because the mean of its divisors is an integer number (5584592050).

Almost surely, 222241244631 is an apocalyptic number.

22241244631 is a deficient number, since it is larger than the sum of its proper divisors (97123569).

22241244631 is an equidigital number, since it uses as much as digits as its factorization.

22241244631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97123568.

The product of its digits is 18432, while the sum is 31.

Adding to 22241244631 its reverse (13644214222), we get a palindrome (35885458853).

The spelling of 22241244631 in words is "twenty-two billion, two hundred forty-one million, two hundred forty-four thousand, six hundred thirty-one".

Divisors: 1 229 97123339 22241244631