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22202231131 = 231935001629
BaseRepresentation
bin10100101011010110…
…110010100101011011
32010022022102012102201
4110223112302211123
5330432232344011
614111034511031
71414122564553
oct245326624533
963268365381
1022202231131
119463642953
124377595477
13212aa0a992
141108984163
1589e278cc1
hex52b5b295b

22202231131 has 8 divisors (see below), whose sum is σ = 23287589280. Its totient is φ = 21126876672.

The previous prime is 22202231099. The next prime is 22202231147. The reversal of 22202231131 is 13113220222.

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 22202231131 - 25 = 22202231099 is a prime.

It is a super-2 number, since 2×222022311312 (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 = 22202231099 and 22202231108.

It is not an unprimeable number, because it can be changed into a prime (22202231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496376 + ... + 2505253.

It is an arithmetic number, because the mean of its divisors is an integer number (2910948660).

Almost surely, 222202231131 is an apocalyptic number.

22202231131 is a deficient number, since it is larger than the sum of its proper divisors (1085358149).

22202231131 is a wasteful number, since it uses less digits than its factorization.

22202231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001845.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22202231131 its reverse (13113220222), we get a palindrome (35315451353).

The spelling of 22202231131 in words is "twenty-two billion, two hundred two million, two hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 23 193 4439 5001629 115037467 965314397 22202231131