Search a number
-
+
22300421231 = 112027311021
BaseRepresentation
bin10100110001001101…
…010110110001101111
32010120011011202221002
4110301031112301233
5331132401434411
614124503230515
71416424311224
oct246115266157
963504152832
1022300421231
1195040085a0
1243a444843b
13214516972a
141117a2394b
158a7bc233b
hex531356c6f

22300421231 has 4 divisors (see below), whose sum is σ = 24327732264. Its totient is φ = 20273110200.

The previous prime is 22300421173. The next prime is 22300421243. The reversal of 22300421231 is 13212400322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22300421231 is a prime.

It is a super-2 number, since 2×223004212312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22300421431) 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 3 ways as a sum of consecutive naturals, for example, 1013655500 + ... + 1013655521.

It is an arithmetic number, because the mean of its divisors is an integer number (6081933066).

Almost surely, 222300421231 is an apocalyptic number.

22300421231 is a deficient number, since it is larger than the sum of its proper divisors (2027311033).

22300421231 is a wasteful number, since it uses less digits than its factorization.

22300421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027311032.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22300421231 its reverse (13212400322), we get a palindrome (35512821553).

The spelling of 22300421231 in words is "twenty-two billion, three hundred million, four hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 11 2027311021 22300421231