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22024214309 = 103561212669
BaseRepresentation
bin10100100000101111…
…101101011100100101
32002211220110000021002
4110200233231130211
5330101144324214
614041235203045
71406531506226
oct244057553445
962756400232
1022024214309
119382105209
124327a46485
1320ccb7c696
1410cd08524d
1588d8131de
hex520bed725

22024214309 has 4 divisors (see below), whose sum is σ = 22024530540. Its totient is φ = 22023898080.

The previous prime is 22024214299. The next prime is 22024214321. The reversal of 22024214309 is 90341242022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 90341242022 = 245170621011.

It can be written as a sum of positive squares in 2 ways, for example, as 2993184100 + 19031030209 = 54710^2 + 137953^2 .

It is a cyclic number.

It is not a de Polignac number, because 22024214309 - 24 = 22024214293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024214809) 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, 2774 + ... + 209895.

It is an arithmetic number, because the mean of its divisors is an integer number (5506132635).

Almost surely, 222024214309 is an apocalyptic number.

It is an amenable number.

22024214309 is a deficient number, since it is larger than the sum of its proper divisors (316231).

22024214309 is a wasteful number, since it uses less digits than its factorization.

22024214309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316230.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 22024214309 in words is "twenty-two billion, twenty-four million, two hundred fourteen thousand, three hundred nine".

Divisors: 1 103561 212669 22024214309